David Jefferis

116 books • 36 series

Record Breakers

Robozones

Cover of Robozones

Book #4: Robozones

Science Discovery

Science Frontiers (Hardcover)

Science Frontiers (Paperback)

Sports Skills

Cover of Hockey

Book #7: Hockey

Step-by-Step

Super Sports

Timelines

Wheels

Cover of Pedal Power

Book #87: Pedal Power

Cover of Superbikes

Book #87: Superbikes

Wheels S.

Wings

Wings

Wings S.

Wings: The Conquest of the Air S.

The World of the Unknown