Q. Book catalog says In Library, but it is not on the shelf in the General Collection. Where else could it be located?

If the book is NOT on the shelf where it should be located it might be: (1) mis-shelfed (2) If it is a new or recently bought book it could be on the "New Book shelf (3) could be recently turned in and located behind the Circulation desk. For assistance see the folks at the Circulation Desk