Roy A. Gallant

title	ISBN-13	year of publica- tion	other author(s)
Atmosphere: Sea of Air	978-0-7614-1366-0	2002
A Young Person's Guide to Science: Ideas That Change the World	978-0-02-735775-2	1993
Before the Sun Dies: The Story of Evolution	978-0-02-735771-4	1989
Early Humans	978-0-7614-0960-1	2000
Earth's Changing Climate	978-0-02-736840-6	1979
Earth's Vanishing Forests	978-0-02-735774-5	1992
Geysers: When Earth Roars	978-0-531-15838-8	1998
Meteorite Hunter: The Search for Siberian Meteorite Craters	978-0-07-137224-4	2002
National Geographic Picture Atlas of Our Universe	978-0-7922-2731-1	1995	Margaret Sedeen
Our Universe	978-0-87044-644-3	1986
Rainbows, Mirages, and Sundogs	978-0-02-737010-2	1987
The Day the Sky Split Apart: Investigating a Cosmic Mystery	978-0-689-80323-9	1995
The Peopling of Planet Earth: Human Population Growth Through The Ages	978-0-02-735772-1	1990
The Planets: Exploring the Solar System	978-0-02-735773-8	1990
The planets, exploring the solar system	978-0-02-736930-4	1985
Unser Universum	978-3-8289-3391-0	2000