How to gift an ibook on the iPad

It is easy to gift an app from an iPad, iPhone or iPod touch to a friend or family member. I want to puschase an ibook as a gift for an iPad user on the holidays, a birthday? How can I just buy it and give it to them?Unfortunately, it's impossible to gift iBooks to another account/user since now. But you can give them an iTunes card and then recommend the book. With the Kindle app for iOS device,