Thinking Inside the Block!®

Joel A. Fletcher, Inventor / Author / Publisher / US Army (Retired)

Hello! My name is Joel A. Fletcher, Inventor of the patented "Mathematical Puzzle Game System and Method.”
I call my new puzzle games DIAGNUB® >1 Math Puzzles, designed for teens and adults.

DIAGNUMB >1 Math paper back puzzle books uses subtraction between the connecting single digit numbers 0-9 in the diagonal rows, and deductive reasoning, (The process of elimination) between multiple-choice answers to solve, and are timed-based (optional) to rank your score to win.

Each book contains a Practice Puzzle and 30 Increasingly Challenging new puzzles with solutions.

Game Rules, definition of Game Terms, and How to Solve are explained using Illustrated Examples.

DIAGNUMB® >1 Math Puzzles provides the ultimate puzzle solving challenge, enhancing your memory, concentration, and sharpening your mathematical reasoning skills.

Try to solve my new and different paperback puzzle books and hard surface board games. See my latest newly patented DIAGNUMB >1 Math Solitaire board games, "Landscape" and "Portrait". First Ever Production models coming out soon!

Printout and solve my FREE paper Practice Puzzle in 15 minutes or less to win. Select the DIAGNUMB >1 Contest Challenge from my dashboard to learn more. I am sure you will find DIAGNUMB® >1 Math Puzzle games exciting, challenging, and fun!