Select bar prep e-books are available from Wolters Kluwer:
Ask at the front desk to check out reserve copies of old materials from the major bar prep courses, including outlines and practice MBE questions, essays, and performance tests.
The California bar posts past essay exams online. The library also owns strategy guides for the essay exam.
The library owns strategy guides and old prep materials for the MBE portion of the California bar exam. The MBE's publisher also sells sample tests online.