Mark Weakland

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$9.29 - $62.69

Thud!: Wile E. Coyote Experiments with Forces and Motion

Mark Weakland

$5.09 - $23.28

Smash!: Wile E. Coyote Experiments with Simple Machines

Mark Weakland

$5.79 - $23.28

How Heavy?

Mark Weakland

$9.99 - $11.49

Zoom!: Wile E. Coyote Experiments with Speed and Velocity

Mark Weakland

$4.89 - $23.28

Whoosh!: Wile E. Coyote Experiments with Flight and Gravity

Mark Weakland

$6.79 - $23.28

Captain Kidd's Crew Experiments with Sinking and Floating (In the Science Lab)

Mark Weakland

$4.69 - $20.83

The Solid Truth about Matter

Mark Weakland

$7.29 - $10.19

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$4.69 - $21.64

Seeds Go, Seeds Grow

Mark Weakland

$8.39 - $11.19

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$23.28 - $33.89

Hockey Shapes (SI Kids Rookie Books)

Mark Weakland

$4.79 - $9.19

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$5.19 - $21.64

Wile E. Coyote's Physical Science for Super Geniuses in Training

Mark Weakland

$12.06

Football ABC (SI Kids Rookie Books)

Mark Weakland

$4.79 - $7.39

When Wilma Rudolph Played Basketball

Mark Weakland

$6.19 - $21.64

Scooby-Doo! Unmasks Monsters: The Truth Behind Zombies, Werewolves, and Other Spooky Creatures

Mark Weakland

$7.09 - $8.97

Scooby-Doo! an Addition Mystery: The Case of the Angry Adder

Mark Weakland

$7.59 - $21.64

Yogi Bear's Guide to Plants

Mark Weakland

$16.19 - $21.64

Clang!

Mark Weakland

$10.69 - $34.59

Yogi Bear's Guide to Rocks

Mark Weakland

$64.59

Yogi Bear's Guide to Animal Tracks

Mark Weakland

$16.49 - $21.64

Football Opposites

Mark Weakland

$4.69 - $21.24

Football Colors (SI Kids Rookie Books)

Mark Weakland

$5.69

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$7.09 - $21.64

When Thomas Edison Fed Someone Worms

Mark Weakland

$7.99 - $21.64

Scooby-Doo! and the Truth Behind Vampires

Mark Weakland

$16.09 - $20.42

Scooby-Doo! a Subtraction Mystery: The Case of the Disappearing Doughnuts

Mark Weakland

$17.19 - $21.64

When Walt Disney Rode a Pig

Mark Weakland

$4.89 - $21.64

Zombies and Forces and Motion

Mark Weakland

$4.89 - $8.39