1954
Mammal
1989
Weather
1997
Why don't tigers eat bananas?
2004
Maps
1996
I wonder why triceratops had horns and other questions about dinosaurs
1994
Incredible Plants
1996
I wonder why the sun rises and other questions about time and seasons
1996
Small and furry animals
1992
The encyclopedia of elephants, big cats, bears & whales
2000
Maps and Mapping (Young Discoverers)
1992
Earth (Picture Reference)
1998
I wonder why soap makes bubbles and other questions about science
1994
Arctic & Antarctic
1995
Kingfisher Encyclopedia of lands and peoples
1995
Rivers
1996
Animal Giants
2004
Create Your Own Magazine
1993
Crocodiles
2000
I Wonder Why Zippers Have Teeth
1995
Mammals (Questions and Answers)
2002
Survival
2002
Oceans and Rivers (Questions and Answers)
2002
Ready Set Go
1991
Everything You Need to Know About Alcohol
1989
