New editions of the Pilot’s Handbook of Aeronautical Knowledge (FAA-H-8083-25B) and the Aircraft Weight and Balance Handbook (FAA-H-8083-1B) are available from ASA in softcover, eBook, and eBundle (softcover + eBook PDF) formats.
The Pilot’s Handbook of Aeronautical Knowledge
provides basic knowledge essential for all pilots.
This FAA publication introduces readers to the broad spectrum of knowledge required as they progress through pilot training.
Written for the pilot preparing for a Remote, Sport, Private, Commercial, or Flight Instructor Pilot Certificate, it is a reference for all the information necessary to operate an aircraft and to pass the FAA Knowledge Exam and Practical Test.
The Aircraft Weight and Balance Handbook 
addresses the responsibility for proper weight and balance control that begins with the engineers and designers, and extends to the pilot and mechanic who flies and maintains the aircraft.
Studying this handbook will give pilots and Aviation Maintenance Technicians (AMTs) the necessary knowledge on the subject of aircraft weight and balance, in preparation for the FAA Knowledge Exam as well as safe flight and maintenance operations.