The General Aptitude and Abilities Series provides functional, intensive test practice and drill in the basic skills and areas common to many civil service, general aptitude or achievement examinations necessary for entrance into schools or occupations. The Mechanical Aptitude Passbook(R) prepares you by sharpening the skills and abilities necessary to succeed in a wide range of mechanical-related occupations. It includes supplementary text on machines and provides hundreds of multiple-choice questions that include, but are not limited to: use and knowledge of tools and machinery; basic geometry and mathematics; mechanical comprehension; and more.