The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness
The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness
Overall Rating: 1.5 / 5 (average from multiple review sources, as of 27 Jun 2026)
Based on a total of 65 customer reviews from independent review platforms.
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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 65 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
Usually dispatched within 4 to 5 days
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£7.66
Delivery from £2.80
The Friendship Formula
Overall Rating: 4.5 / 5 (average from multiple review sources, as of 22 Jun 2026)
Based on a total of 5,377 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 5,377 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.
3-5 working days
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£7.99
Delivery from £3.99
The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness
Overall Rating: 2.3 / 5 (average from multiple review sources, as of 23 Jun 2026)
Based on a total of 48,964 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 48,964 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. Express Delivery available with Amazon Prime.
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£14.99
Free Delivery
The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness
Overall Rating: 1.5 / 5 (average from multiple review sources, as of 27 Jun 2026)
Based on a total of 65 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 65 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
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£22.33
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Cheapest offer
Pages: 208, Paperback, Anima
£7.66
Usually dispatched within 4 to 5 days
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The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness - Details
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We have found 4 prices for The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness - Price Information
- Cheapest price: £7.66
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness is €£7.66to €£22.33 with a total of 4 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is Usually dispatched within 4 to 5 days working days offered by Amazon-marketplace.co.uk.
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