Jason, Alvin and others....
Why don't you just download from the FAA website, free of charge?
Link:
Aviation Handbooks & Manuals
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What subjects are included in the BAK exam?
The Basic Aeronautical Knowledge course provides the student with an introduction to:
- VHF radio operation and procedures
- Aircraft components and controls
- The effects of the aircraft controls
- Forces involved in flight
- The effects of speed, angle of attack and angle of bank
- Engines
- Fuel Systems
- Oil Systems
- Electrical Systems
- Instruments
- Aeroplane performance
- The international standard atmosphere
- Density and pressure height
- Takeoff and landing performance charts
- Loading systems
- Air Law
- Local meteorology
- Local area navigation
- Human performance and limitations
You will find all of these topics and more available free of charge on the US FAA website.
Hope you find this helpful. Please let me know.