Hey, I would call this a bug, but I guess it is in the eye of the beholder.
There have been two times when the home page lists a book with a description for those who may want to buy it. For those books which, I already own, it opens the book when I click on the "More" link. The expectation was for me to see the rest of the article,
For example, on the home page now, there is the intermediate Greek book. When I click "More," wanting to read what is said about it, the book itself opens.