With lyrical language that captures the majesty of the natural world coupled with fun narrative featured throughout, this spirited picture book tells the victorious story of three girls' friendship―and their tribulations and triumphs in the great outdoors. Here is the best and worst of any hike: from picnics to puffing and panting, deer-sighting to detours. Featuring a glossary, a sketchbook by one of the characters, abundant labels throughout, and scientific backmatter, this book is a must-have for budding scientists, best friends, and all adventurers. And it proves, as if proof were needed, what epic things can happen right in your own backyard.