Hello, i'm sorry but my english isn't verry correct !
I used Book library pro2.2 and Book Library Software - SlideShow PRO. Nothoing appaer in front and, do this information:
There is no houres or category chosen or category doesn't contain any items.
I have leved the file ID Categorys empty.
Before using free version of book library and free version of slide shoiw, i haven't this problem
Tahanks for your answer