This is not a functioning bookcase, so it doesn't produce books and such. Each shelf has 3 slots; left, middle, and right.
It can be found in Storage/Bookshelves and cost 200. Comes in four colors:
This object was only possible by information shared by Raven Shadow and HugeLunatic, and advancements in the s3pe tool by Peter L. Jones and Inge Jones
Packaged version available here
Thanks to Wes Howe, Inge Jones and PLJones, Ceixari, and Delphy for the tools. sims3packed in TSR Workshop.