the app itself is not buggy. however there is no button to switch to kids books and all the kids books cost alot of money. you would think all the classics would be subsidized by amazon. I bought a Kindle kids, but the included books are lame, the searching for kids books, is also lame, and the ability to sit down, and read a kids story is hindered by the fact all the subscription services don't include the classics: puff the magic dragon, and Disney classics and nursery classics. lame