In rhyming text, a young boy and his friend, a blue elephant, have fun together exploring their city, demonstrating the concept of opposites as they play.

A young girl demonstrates to her mother and father how well she has learned to read.

"One can be one thing all on its own--one star, one stream, one stick, one stone. But those on their toes, those using their smarts, know one can be more than the sum of its parts. Consider the two slices of bread that make up one sandwich, or the three lines of poetry that form one haiku, or even the ten years that form one decade. From one to ten, from sandwiches to centuries, every part is necessary to the whole. In this fascinating concept book,...