The Happiness Experiment: A Revolutionary Way to Increase Happiness
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
Usually dispatched within 2 to 3 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£16.58
Delivery from £2.80
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 2.3 / 5 (average from multiple review sources, as of 23 Jul 2026)
Based on a total of 47,137 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 47,137 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£17.85
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£18.86
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 9 to 10 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£19.60
Delivery from £2.99
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 5 to 6 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£20.71
Delivery from £2.80
The Happiness Experiment : A Revolutionary Way to Increase Happiness
Overall Rating: 4.1 / 5 (average from multiple review sources, as of 15 Jul 2026)
Based on a total of 50,013 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 50,013 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2 - 4 working days
Visa
Visa
Mastercard
Mastercard
£21.61
Delivery from £3.99
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 2 to 3 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£21.72
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 2 to 3 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£22.60
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£23.41
Free Delivery
- 1
- 2
- next page
Cheapest offer
Pages: 300, Hardcover, Greenleaf Book Group LLC
£16.58
Usually dispatched within 2 to 3 days
Amazon-marketplace.co.uk
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
The Happiness Experiment: A Revolutionary Way to Increase Happiness - Details
▶ Finding you the best price!
We have found 9 prices for The Happiness Experiment: A Revolutionary Way to Increase Happiness. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
The Happiness Experiment: A Revolutionary Way to Increase Happiness - Price Information
- Cheapest price: £16.58
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product The Happiness Experiment: A Revolutionary Way to Increase Happiness is €£16.58to €£24.56 with a total of 9 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is Usually dispatched within 2 to 3 days working days offered by Amazon-marketplace.co.uk.
Similar products
This Naked Mind: Control Alcohol, Find Freedom, Discover Happiness & Change Your Life & The Alcohol Experiment 2 Books Collection Set by Annie Grace
£11.29
Amazon-marketplace.co.uk
Free Delivery
Enough - What the World's Happiest Experiment Can Teach You About Living Better: Lessons from Bhutan's Gross National Happiness - and Why the West Needs Them Now
£11.99
amazon.co.uk
Free Delivery
This Naked Mind: Control Alcohol, Find Freedom, Discover Happiness & Change Your Life, The Alcohol Experiment & The Sober Diaries 3 Books Collection Set
£18.99
Amazon-marketplace.co.uk
Free Delivery
Choose the Life You Want: The Mindful Way to Happiness
£11.67
Amazon-marketplace.co.uk
Delivery from £4.99
The Friend Zone Experiment
£18.04
Whsmith.co.uk
Delivery from £3.99
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).