Reasons why books could be excellent sources for this project.
Books on planetary science will likely be found under some of the subject headings below. Try entering some of the terms below into OneSearch and you'll find many titles. The list here is not exhaustive, but intended to give you a place to start while searching.
Books about the solar system and planets generally begin with the call number QB500. You can browse through these titles on the 8th floor in the library. If you need help locating a particular title, please ask a librarian at the reference desk (2nd floor) for assistance.