Bonnie Coulter Leech eBooks

Circles and spheres are very familiar shapes. From soccer balls to quarters, they are everywhere. Explore their parts and major characteristics.

Enter the world of solid geometry. Explore the parts and characteristics of prisms and learn the difference between two- and three-dimensional shapes.

Egyptian pyramids are the most recognizable example of this solid shape. Discover what makes a pyramid and what makes this intriguing figure so special.

What makes a triangle a triangle? What makes some triangles different from others? Colorful examples bring this three-sided polygon to life.