The Henry Madden Library has a selection of test preparation books and manuals, both print and electronic. You can search the library catalog here using the test name as your keyword.
Selected titles:
LSAT for Dummies
eBook
By: Hatch, Lisa Zimmer
Indianapolis, IN: John Wiley and Sons, 2014
Full Text Online
LSAT : The Official TriplePrep
Book
New York: Times Books, 2000.
Lower Level KF 258.Z9 L73 2000 v.2
Master the LSAT
eBook
By: Kolby, Jeff
Los Angeles, CA: Nova Press, 2009
Full Text Online
Nova's Master the LSAT
eBook
By: Kolby, Jeff
Los Angeles, CA: Nova Press, 2005
Full Text Online