Oiler(Passbooks)
Passbooks® has been publishing test preparation study guides for more than 40 years, with 5,000 titles available in a wide range of fields. Passbooks® are designed to help test candidates pass their exams by providing hundreds of questions and answers in the covered subject areas. Study guides are available for preparation for aptitude tests; civil service and government career exams; Regents Competency Tests; high school, college and graduate school admission; career and professional licensure and certification; Armed Forces tests; non-traditional education; and high school equivalency and college credit.