The four full-length practice exams in the updated edition of the manual are similar to the actual ASVAB in question types, test length, and degree of difficulty. All questions are answered and explained. Extensive review material covers all subjects on the actual ASVAB: Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension. This manual prepares recruits entering all branches of the U.S. Military: Army, Navy, Marines, Air Force, and Coast Guard.