The purpose of this book is to provide "the easiest, fastest, and least expensive means" of passing the Airline Transport Pilot (ATP) knowledge test. This book: 1) Reproduced all knowledge test questions published by the FAA; 2) Reordered the questions into 174 logical topics; 3) Organized the 174 topics into 17 study units; 4) Explained the answer immediately to the right of the question; 5) Provided an easy-to-study outline of exactly what you need to know at the beginning of each study unit.--Preface.