In the mid-19th century, Bernhard Riemann conceived of a new way to think about mathematical spaces, providing the foundation for modern geometry and physics.

In this counting book about doubling numbers, monkeys Jill (in pink overalls) and Jake (in stripes) find all sorts of applications for math on the playground: "With just their knees,/ they grip the ...

Rhythmic cadences and a dark palette are paired to explore the shadowy setting and circle of life for creatures that live near a pond. The majority of the book is a cumulative poem—“This is the water/ ...