Author: Alex Frith
Illustrator: Colin King
Publisher: Usborne Publishing Limited
Format: Hardback, over 70 flaps to lift
Pages: 16
Explore the hidden world beneath your feet. This book digs down into the soil, and uncovers amazing secrets: animal burrows, telephone cables, murky caves and buried treasure. And deep, deep below you'll find the earth's core, which is still a mystery - even to scientists.