ADVANCED Vol. 1
($3.50 shipping)
Each book contains a practice puzzle and 30 increasingly challenging new puzzles with solutions. Diagnumb "Beginners" and "Advanced" volumes 1-5 provides a new math puzzle solving challenge that test and enhances your >1 math reasoning skill. $9.95 each plus S/H. ORDER YOUR COPY TODAY!
ISBN 978-1-940116-01-3
BEGINNERS
($3.50 shipping)
Each book contains a practice puzzle and 30 increasingly challenging new puzzles with solutions. Diagnumb "Beginners" and "Advanced" volumes 1-5 provides a new math puzzle solving challenge that test and enhances your >1 math reasoning skill. $9.95 each plus S/H. ORDER YOUR COPY TODAY!
ISBN 978-1-940116-00-6
ADVANCED Vol. 2
($3.50 shipping)
Each book contains a practice puzzle and 30 increasingly challenging new puzzles with solutions. Diagnumb "Beginners" and "Advanced" volumes 1-5 provides a new math puzzle solving challenge that test and enhances your >1 math reasoning skill. $9.95 each plus S/H. ORDER YOUR COPY TODAY!
ISBN 978-1-940116-02-0
ADVANCED Vol. 3
($3.50 shipping)
Each book contains a practice puzzle and 30 increasingly challenging new puzzles with solutions. Diagnumb "Beginners" and "Advanced" volumes 1-5 provides a new math puzzle solving challenge that test and enhances your >1 math reasoning skill. $9.95 each plus S/H. ORDER YOUR COPY TODAY!
ISBN 978-1-940116-03-7
ADVANCED Vol. 4
($3.50 shipping)
Each book contains a practice puzzle and 30 increasingly challenging new puzzles with solutions. Diagnumb "Beginners" and "Advanced" volumes 1-5 provides a new math puzzle solving challenge that test and enhances your >1 math reasoning skill. $9.95 each plus S/H. ORDER YOUR COPY TODAY!
ISBN 978-1-940116-04-4
ADVANCED Vol. 5
($3.50 shipping)
Each book contains a practice puzzle and 30 increasingly challenging new puzzles with solutions. "Diagnumb Beginners" and "Advanced" volumes 1-5 provides a new math puzzle solving challenge that test and enhances your >1 math reasoning skill. $9.95 each plus S/H. ORDER YOUR COPY TODAY!
ISBN 978-1-940116-05-1