Guide to the human body
Bounty Books
Richard Walker
9780753714884
192 pagini
An: 2006
Gene si ADN
Teora
Richard Walker
1032
An: 2008
Dinosaurs (Golden Photo Guide)
St. Martin s Press
Richard Walker
58 pagini
An: 2001
Corpul uman. O aventura incredibila povestita de Bobarnaci
Litera
Richard Walker
978-973-675-590-3
61 pagini
An: 2009