Virtually all significant relationships are shadowed by a third party-another person, a competing distraction, or even a memory. This groundbreaking book provid
This classic text, written by a distinguished mathematician and teacher, focuses on a fundamental theory of geometry. Topics include all types of Pythagorean tr
Most shapes can be cut into triangles. They are an important shape. They make bridges stronger and they help push sailboats. Easy text and large pictures help e
Meet Triangle. He is going to play a sneaky trick on his friend, Square. Or so Triangle thinks. . . . With this first tale in a trilogy, partners in crime Mac B