Authors | Mark Weakland
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Mark Weakland

Books by Mark Weakland

Zombies and Forces and Motion: by Mark Weakland
by Mark Weakland
Football Opposites: by Mark Weakland
by Mark Weakland
What Is Light?: by Mark Weakland
by Mark Weakland
Thud! : Wile E. Coyote Experiments with Forces and Motion: by Mark Weakland
by Mark Weakland
Super Spellers: by Mark Weakland
by Mark Weakland
Bubbles Float, Bubbles Pop: by Mark Weakland
by Mark Weakland
Onion Juice, Poop, and Other Surprising Sources of Alternative Energy: by Mark Weakland
by Mark Weakland
Gut Bugs, Dust Mites, and Other Microorganisms You Cant Live Without: by Mark Weakland
by Mark Weakland
This Is My School (School Rules): by Mark Weakland
by Mark Weakland
When Neil Armstrong Built a Wind Tunnel (Leaders Doing Headstands): by Mark Weakland
by Mark Weakland
Smash!: Wile E. Coyote Experiments with Simple Machines: by Mark Weakland
by Mark Weakland
How Heavy?: Wacky Ways to Compare Weight: by Mark Weakland
by Mark Weakland
How Tall?: Wacky Ways to Compare Height: by Mark Weakland
by Mark Weakland
Fred Flintstone's Adventures with Levers: Lift That Load!: by Mark Weakland
by Mark Weakland
How Does Wi-fi Work?: by Mark Weakland
by Mark Weakland
Scooby-Doo! and the Cliff Dwellings of Mesa Verde: The Ghostly Gaze: by Mark Weakland
by Mark Weakland
Scooby-Doo! and the Buried City of Pompeii: The Ghastly Guide: by Mark Weakland
by Mark Weakland
Scooby-Doo! and the Pyramids of Giza: The Phantom Pharaohs: by Mark Weakland
by Mark Weakland
Scooby-Doo! and the Ruins of Machu Picchu: The Hidden City Howler: by Mark Weakland
by Mark Weakland
What Is Magnetism?: by Mark Weakland
by Mark Weakland
Gears Go, Wheels Roll: by Mark Weakland
by Mark Weakland
When Thomas Edison Fed Someone Worms: by Mark Weakland
by Mark Weakland
When Wilma Rudolph Played Basketball: by Mark Weakland
by Mark Weakland
When Walt Disney Rode a Pig: by Mark Weakland
by Mark Weakland
When Eleanor Roosevelt Learned to Jump A Horse: by Mark Weakland
by Mark Weakland
Who's Who at School: by Mark Weakland
by Mark Weakland
Fred Flintstone's Adventures with Inclined Planes: A Rampin' Good Time: by Mark Weakland
by Mark Weakland
Fred Flintstone's Adventures with Wedges: Just Split!: by Mark Weakland
by Mark Weakland
When Martin Luther King Jr. Wore Roller Skates: by Mark Weakland
by Mark Weakland
When Amelia Earhart Built a Roller Coaster: by Mark Weakland
by Mark Weakland