Refund policy
Guarantee
30-day guarantee: if a file doesn't open, if the content isn't what the product page describes, if you were charged twice or the email never arrived, write to us and we'll refund you in full. Ask for the refund within 30 days of purchase, writing to hello@diagrambooks.com with the email you used to buy. The guarantee is in addition to, not instead of, your legal rights.
EU right of withdrawal
You have 14 days from purchase to withdraw from the contract without giving any reason (art. 9 Directive 2011/83/EU). Use the Withdraw from contract here function: enter your name, email and order number and confirm with “Confirm withdrawal”. An acknowledgement of receipt with the content of your statement and its date and time is emailed immediately. You can also withdraw with any unequivocal statement sent to hello@diagrambooks.com.
Digital content exception (art. 16 (m) Directive 2011/83/EU): at checkout we ask you to tick “I expressly consent to the supply of the digital content beginning before the end of the withdrawal period and I acknowledge that I thereby lose my right of withdrawal.”. That consent is stored with date and time and confirmed in the delivery email. Once the supply (the download) has started, the right of withdrawal is lost; as long as nothing has been downloaded, it remains for 14 days.
If the withdrawal applies, the refund is made within 14 days of receiving it, to the same payment method and at no cost (art. 13 Directive 2011/83/EU).
Ireland
In Ireland, the right of withdrawal described above (the right to cancel) and its digital content exception are set out in Part 5 of the Consumer Rights Act 2022, which replaced the European Union (Consumer Information, Cancellation and Other Rights) Regulations 2013 (S.I. No. 484 of 2013). If digital content is faulty or not as described, you also have the remedies of the Consumer Rights Act 2022. The Competition and Consumer Protection Commission (CCPC, www.ccpc.ie) provides information about these rights.
How refunds are made
Refunds are approved by the store and made to the payment method used for the purchase, through the payment provider. How long it takes to show depends on your bank or card.
Contact
Questions: hello@diagrambooks.com.
Last updated: 2026-10-23