Head to Amazon and find the Kindle version of the book you want to gift. Then click the “Give as Gift” button. You can choose to e-mail the e-book gift to the recipient with a future delivery date, or print out a voucher (which you can then place in a greeting card).
Keeping this in view, can I gift a Kindle book to a friend?
Gifters can choose a book in the Kindle Store, and send give the e-book as a gift by simply inserting the recipient’s email address. Recipients can redeem the gift in the Kindle Store to read on any Kindle or free Kindle app.