David Jefferis

Gas Giants: Huge Far Off Worlds (Exploring Our Solar System)

Hot Planets: Mercury and Venus (Exploring Our Solar System)

The Moon (Exploring Our Solar System)

The Sun (Exploring Our Solar System)

The Earth: Our Home Planet (Exploring Our Solar System)

Mars: Distant Red Planet (Exploring Our Solar System)

Planes (Extreme Machines/Watts)

Cars (Extreme Machines/Watts)

Race Into Space (Humans in Space)

Flight Into Orbit (Humans in Space)

Exploring Planet Mars (Humans in Space)

Return to the Moon (Humans in Space)

Robot Warriors

Robot Brains

Robot Voyagers

Robot Workers

Black Holes (Science Frontiers (Hardcover)) (Science Frontiers (Paperback))

Extreme Structures (Science Frontiers (Paperback)) (Science Frontiers (Hardcover))

Micro Machines (Science Frontiers (Hardcover)) (Science Frontiers (Paperback))

Green Power (Science Frontiers (Paperback)) (Science Frontiers (Hardcover))

Science Frontiers Set

Cars (Extreme Machines)

Robozones (Robozones, #4)

Raintree Freestyle (Raintree Freestyle: Mean Machines)