You don't need to flip through pages and pages of convoluted aviation documents to make your flight simulation as realistic as possible. Information that is relevant to flight simulation is clearly defined, described, explained and depicted. Irrelevant information is omitted. And it's independently referenced by certified general-aviation pilot for total accuracy and dependability. Use the navigation book that flight-simulation pilots have bought, used, learned from and been totally satisfied with.
Definitions are especially good and a good discipline.
About the Author. No flipping and sifting through pages of irrelevant text. No deciphering complex wording and diagrams. No guessing or misinterpreting. Don't waste valuable flight-simming time searching the Internet for flimsy freebies.