The Magic of Math: Solving for x and Figuring Out Why

The Magic of Math: Solving for x and Figuring Out Why

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

The Fascinating World of Graph Theory

The Fascinating World of Graph Theory

Art Coloring Book: 101 Masterpieces from Da Vinci to Van Gogh

Art Coloring Book: 101 Masterpieces from Da Vinci to Van Gogh

Mathemagics: How to Look Like a Genius Without Really Trying

Mathemagics: How to Look Like a Genius Without Really Trying

Teach Your Child Math : Making Math Fun for the Both of You

Teach Your Child Math : Making Math Fun for the Both of You

The Art of Mental Calculation: addition & subtraction

The Art of Mental Calculation: addition & subtraction

Mathemagics: How to Look Like a Genius Without Really Trying

Mathemagics: How to Look Like a Genius Without Really Trying

Wicca Coloring Book: From Pentacle to Triple Goddess

Wicca Coloring Book: From Pentacle to Triple Goddess

Classical Music Coloring Book: 8 Opera Composers from Verdi to Strauss

Classical Music Coloring Book: 8 Opera Composers from Verdi to Strauss