Big Digs: Amazing Underground Constructions

"Highly recommended for its compelling content, global inquiry, and stunning illustrations." - School Library Journal

A fascinating book for young readers to discover 3,000 years of tunnels!

From ancient burial chambers to modern megaprojects, Big Digs is a beautifully illustrated nonfiction book that takes young readers on an unforgettable journey into the world beneath our feet, exploring the science, history, and wonder of underground construction. Travel through hidden passages beneath palaces, secret tunnels under cities, and engineering marvels like the Channel Tunnel and the Large Hadron Collider. Each spread reveals a new underground world with fun facts, vibrant artwork, and surprising stories from around the globe.Packed with educational content and visual charm, Big Digs is perfect for curious kids who love history, science, or exploring the unknown. A captivating book that will open young minds to what lies beneath!

Author: Kiko Sanchez
Publisher: Helvetiq
Published: 05/05/2026
Pages: 48
Binding Type: Hardcover
Weight: 1.30lbs
Size: 13.70h x 9.30w x 0.40d
ISBN: 9783039641246
Audience: Ages 9-12


Review Citation(s):
Booklist 04/01/2026
Kirkus Reviews 02/15/2026
School Library Journal 03/01/2026 pg. 88

About the Author
Kiko Sánchez is a Mallorca-born illustrator known for his intricate, architectural style and richly detailed imaginary worlds. His work spans maps, models, and visual storytelling for museums, publishers, and brands. He lives in Barcelona, Spain.