Books Published (Available on Amazon)
Beginners' Guide to Quaternity
Playing Quaternity: The Middle Game
Knowing how to Play: Lessons From the Board
Tales from Quaternity
Great Quaternity Games

The Most Beautiful Checkmates in Quaternity

Learning How to Play: The Royal Squares 

Finding the Right Move: Quaternity Puzzles

Brilliance in Quaternity: Risk, Error & Creative Gameplay 

The Book of Kings: Royal Checkmates in Quaternity

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 AMAZON AUTHOR PAGE:   https://www.amazon.com/author/sevarta12