Where are you likely to find personal books?
Options:
- classroom
- library
- shelf
- cabinet
- desktop
Let's think now! Step-by-step reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Personal items are usually found at one's personal space. Desktop is one's personal space. Personal books are personal items. Books can be placed on a desktop for easy access.
So, the final answer is desktop.