ASVAB for Dummies
McGraw-Hill's Police Officer Exams
Michael J. Palmiotto
Learning Express Library. Prepare for academic or professional exams with this collection of online practice tests. Testing covers topics like civil service, cosmetology, nursing, firefighting, law enforcement and much more. The tests provide instant scoring, complete explanations of right and wrong answers, and an individualized analysis of results.
Testing & Education Reference Center. This database includes interactive online practice tests for preparatory exams (including college entrance exams, civil services/licensing exams, military entrance exams), and also includes PDF versions of respected college and career handbooks.