Jack Challoner
LET'S EXPERIMENT WITH SCIENCE
Hands-On Science: Sound and Light
Hurricane & Tornado
Sound: An Investigation
Rocks and Minerals (Young Scientist Concepts & Projects)
1001 Inventions That Changed the World
DK Eyewitness Books: Energy
DK Eyewitness Books: Hurricane & Tornado
DK Eyewitness Books: Hurricane & Tornado
Hands-On Science: Forces and Motion
The Elements: The New Guide to the Building Blocks of Our Universe
DK Eyewitness Books: Hurricane & Tornado
The Elements: The New Guide to the Building Blocks of Our Universe
MY FIRST BATTERIES & MAGNETS BOOK
Eyewitness: Hurricane and Tornado
DK Eyewitness Books: Hurricane and Tornado
DK Eyewitness Books: Energy
Find Out About Rocks and Minerals: With 23 Projects and More Than 350 Photographs