Internal structure

Journey to the Center of the Earth

Jules Verne

Magic school bus inside the Earth

by Joanna Cole ; illustrated by Bruce Degen.

El autobús mágico en tiempos de los dinosaurios

por Joanna Cole ; ilustrado por Bruce Degen ; traducio por Almudena Bautista.

Hollow Earth

Raymond Bernard

Continents in collision

by Russell Miller and the editors of Time-Life Books.

The hollow Earth: the greatest geographical discovery in historymade by Admiral Richard E. Byrd in the mysterious land beyond the Poles--the true origin of the flying saucers

by Raymond Bernard.

Journey to the centre of the Earth: the remarkable voyage of scientific discovery into the heart our world

David Whitehouse

Into the heart of our world: a journey to the center of the earth : a remarkable voyage of scientific discovery

David Whitehouse

Shaky Ground (Turbulent Planet)

Mary Colson

Under the Ground (Picture Books)

Susanna Davidson, Anna Milbourne, Serena Riglietti, A. Milbourne