Books with author mark weakland

In cartoon format, this book uses zombies to explain the science of forces and motion.

Boom! Crash! Roar! Playful text and stunning Sports Illustrated photos combine to teach young readers about onomatopoeia that you can see and hear at a football game.

From huge long-necks to flying reptiles, prehistoric animals were amazing. Compare and contrast their features to see which ones were the strongest, fastest, and hungriest! Includes statistics charts and diagrams.

From huge long-necks to flying reptiles, prehistoric animals were amazing. Compare and contrast their features to see which ones were the strongest, fastest, and hungriest! Includes statistics charts and diagrams.

From huge long-necks to flying reptiles, prehistoric animals were amazing. Compare and contrast their features to see which ones were the strongest, fastest, and hungriest! Includes statistics charts and diagrams.

Is the goal line near or far? Is your team on offense or defense? Is the stadium full or empty? A football themed-opposites makes learning fun. Sports Illustrated Kids Football Opposites is sure to be a fan favorite!

We need energy to power our computers and run our cars. But who would have thought that we could use poop for power or that microbes could ooze oil? Plug your nose, and get ready to dig into some amazing new sources of energy.

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We need energy to power our computers and run our cars. But who would have thought that we could use poop for power or that microbes could ooze oil? Plug your nose, and get ready to dig into some amazing new sources of energy.

Fans, players, touchdowns! Playful text and stunning Sports Illustrated photos combine to teach young readers about all the nouns you can find at a football game.

Compares various heavy objects to lighter objects in unique, illustrated ways.

Is a wheel the same as a gear? Will a square wheel work? Could a wheel roll forever? Discover the wonder and science of wheels in Gears Go, Wheels Roll.