How do I buy credit for another user to use to buy ibooks?
How do I buy credit for another user (my granddaughter has an IPod) so she can buy Ibooks?
iPad, iOS 7.0.4, granddaugher has IPod
You can gift content or an amount to her email address which she can then redeem onto her account : http://support.apple.com/kb/HT2736
You will need to have a credit card on your account to be able to gift, you can't use your account's balance (if you have one) for gifting.