Have you ever wondered what’s under your front lawn or the sidewalk you walk on in front of your house? This unique and entertaining set will answer all your questions and more! From what makes up and lives in dirt to famous fossil finds, each book focuses on one major category concerning what might be found under our feet: soil, fossils, rocks, and even people–bones! Written using age-appropriate examples and language, this set augments the elementary science curriculum and encourages curiosity in budding scientists.