A lyrical, scientific exploration of what's below our feet, this gorgeously illustrated informational picture book digs into geological discoveries--and embraces the mysteries science has yet to solve. Join "science poet" Kate Allen Fox (Pando, Capstone, 2021--named a Best Book of 2021 by School Library Journal) on a journey to the center of the Earth in this fascinating, wonder-filled investigation of Earth's layers. Illustrated cross-sections and additional nonfiction back matter about the scientific method make this narrative nonfiction a comprehensive and satisfying experience for young scientists.