How do you draw a straight line? How do you determine if a circle is really round? These may sound like simple or even trivial mathematical problems, but to an

'How Round is your Circle?' includes chapters on: hard lines; how to draw a straight line; four-bar variations; building the world's first rules; dividing the c

In our rushed, stressed society, it's sometimes difficult to spend meaningful time as a family. Now Starhawk, Diane Baker, and Anne Hill offer new ways to foste

A circle of children ask others to join in their play and soon find out that inclusion is irresistible, illustrated by Caldecott Honor recipient Hanna Cha. From

Madeleine L'Engle meets Stranger Things in this debut YA-friendly fantasy adventure about how the unexpected can move in next door