What has the author Georg Zappler written?

Answer 1

Georg Zappler has written:

'The how and why wonder book of snakes'

'The years of exploration' -- subject(s): Juvenile literature, Indians of North America, History, Excavations (Archaeology)

'A pet of your own' -- subject(s): Pets, Juvenile literature

'Behind the Scenes at the zoo' -- subject(s): Biography, Juvenile literature, Staten Island Zoo, Zoologists, Zoos

'The changing scene' -- subject(s): Ecology, Juvenile literature

'Learn about-- Texas dinosaurs' -- subject(s): Dinosaurs, Coloring books, Juvenile literature

'From one cell to many cells' -- subject(s): Cells, Embryology, Juvenile literature

'Learn about . . . Texas Indians (Learn about Texas)'

'World After the Dinosaurs Evolution of Mammals'