Interesting idea...
...but the execution is slightly flawed.
I like that the developer has logic built into the app to effectively state, "nope you cant have a book thats a single page." Sure thats neat, but I suppose I would have an expectation that this app would be able to look up books on Amazon and auto populate lengths of a novel. Realizing that different prints of a book have slightly different page counts it would at least put something in the right ball park.
uvageek about
Bookling - Track Your Reading Habits