Let's Look at Caves

by Claude Delafosse and Heliadore

Published 1 January 2000
Explore the amazing underground world of caves, caverns, lakes, and glaciers as if you were a pot-holer.

If you would like to look at fish in the sea, you need to learn to dive, or you could watch the fish swim around in the pages of this book.

Let's Look at Animals by Night

by Heliadore

Published 1 January 1998
While we sleep nocturnal animals are out and about. See owls hunt and cats prowl, and find out how bats find their way in the dark.