Author: Christopher Danielson

Do the posters in your classroom create misconceptions about shapes? Upgrade your walls and your instruction with this new set of shapes posters by...

Which One Doesn't Belong? is a picture book that is different from many other books about shapes. Every page asks the same question and every answe...

How Many? is a picture book about numbers and counting, but its different from other counting books. This book doesnt tell you what to count. It do...

Winner of the prestigious Mathical Prize, Which One Doesn't Belong? is a picture book that is different from many other books about shapes. Every p...