Rocks & fossils
de Ray Oliver · Publicada por primera vez en 1993
Provides information on how rocks and fossils are formed and where they can be found and offers advice on which ones to collect and how to display them.
de Ray Oliver · Publicada por primera vez en 1993
Provides information on how rocks and fossils are formed and where they can be found and offers advice on which ones to collect and how to display them.
Random House · inglés
Hamlyn · inglés
