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Pilot's Handbook of Aeronautical Knowledge: FAA-H-8083-25A (FAA Handbooks series)

SIFT Study Guide: Test Prep and Practice Questions for the Army SIFT Exam

Pilot's Handbook of Aeronautical Knowledge: FAA-H-8083-25B (FAA Handbooks series)

Private Pilot Rotorcraft Practical Test Standards for Helicopter and Gyroplane: FAA-S-8081-15A (Practical Test Standards series)

FAR/AIM 2017: Federal Aviation Regulations / Aeronautical Information Manual (FAR/AIM series)

FAR/AIM 2016: Federal Aviation Regulations/Aeronautical Information Manual (FAR/AIM series)

Principles of Helicopter Flight

Helicopter Maneuvers Manual: A step-by-step illustrated guide to performing all helicopter flight operations

Fundamentals of Flight

SIFT Study Guide: SIFT Test Study Guide & Exam Prep for the Army Selection Instrument for Flight Training Test