Math meets metaphor in this eye-opening exploration of spring for readers 4 to 8. Each clever equation is a tiny, perfect poem that prompts readers to look at the ordinary and see the miraculous, while engaging sidebars reveal the science behind the signs of spring. Can you look at an egg in a nest and see a jewelry box? How are sunlight and heat like an alarm clock? In beautifully patterned collages—including some gorgeous two-page spreads—Micha Archer shows us two children discovering the joy of being in the natural world.