The Happiness Experiment: A Revolutionary Way to Increase Happiness
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 9 May 2026)
Based on a total of 47,062 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 47,062 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
£14.82
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Usually dispatched within 2 to 3 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£16.54
Delivery from £2.80
The Happiness Experiment: A Revolutionary Way to Increase Happiness
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: 4.1 / 5 (average from multiple review sources, as of 1 May 2026)
Based on a total of 50,012 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 50,012 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
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
Usually dispatched within 5 to 6 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£21.96
Delivery from £2.80
The Happiness Experiment: A Revolutionary Way to Increase Happiness
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£23.41
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Usually dispatched within 2 to 3 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£23.84
Free Delivery
The Happiness Experiment: A Revolutionary Way to Increase Happiness
Usually dispatched within 5 to 6 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£23.87
Free Delivery
- 1
- 2
- next page
🤖 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: £14.82
- The cheapest price is offered by amazon.co.uk. You can order the product there.
- The price range for the product The Happiness Experiment: A Revolutionary Way to Increase Happiness is €£14.82to €£25.59 with a total of 9 offers.
- Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk.
Similar products
£18.99
Amazon-marketplace.co.uk
Free Delivery
£13.49
Amazon-marketplace.co.uk
Free Delivery
£17.99
amazon.co.uk
Free Delivery
£11.65
Amazon-marketplace.co.uk
Delivery from £2.80
The Jewish Way to a Good Life: Find Happiness, Build Community, and Embrace Lovingkindness
£12.99
amazon.co.uk
Free Delivery
Cheapest offer
Pages: 300, Hardcover, Greenleaf Book Group LLC
£14.82
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).