Sponges : filters of the sea

by Llamas, Andreu.
Published 1997

Moles : champion excavators

by Garcia, Eulalia.
Published 1997

Chameleons : masters of disguise

by Garcia, Eulalia.
Published 1997

Mussels : hard-shelled mollusks

by Llamas, Andreu.
Published 1997

Kangaroos : animals with a pouch

by Llamas, Andreu.
Published 1997

Bears : animals that hibernate

by Sanchez Sanchez, Isidro.
Published 1997