Mark Weakland

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$9.99 - $58.29

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

Mark Weakland

$4.79 - $23.28

Smash!: Wile E. Coyote Experiments with Simple Machines

Mark Weakland

$4.79 - $23.28

How Heavy?

Mark Weakland

$8.09 - $9.99

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

Mark Weakland

$4.79 - $23.28

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

Mark Weakland

$6.69 - $23.28

The Solid Truth about Matter

Mark Weakland

$7.59

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

Mark Weakland

$4.69 - $20.83

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$4.69 - $21.64

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

Mark Weakland

$11.29 - $12.06

Football ABC (SI Kids Rookie Books)

Mark Weakland

$5.39 - $7.75

Seeds Go, Seeds Grow

Mark Weakland

$8.39 - $9.59

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$7.49 - $21.64

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$23.28 - $35.19

Hockey Shapes (SI Kids Rookie Books)

Mark Weakland

$5.19 - $8.89

Football Colors (SI Kids Rookie Books)

Mark Weakland

$4.89 - $10.69

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$6.99 - $21.64

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

Mark Weakland

$8.97

Yogi Bear's Guide to Plants

Mark Weakland

$12.29 - $21.64

Clang!

Mark Weakland

$13.89 - $31.49

Yogi Bear's Guide to Rocks

Mark Weakland

$81.59

Football Opposites

Mark Weakland

$4.89 - $21.24

Scooby-Doo! and the Truth Behind Vampires

Mark Weakland

$13.79 - $20.42

When Eleanor Roosevelt Learned to Jump a Horse

Mark Weakland

$9.00 - $21.64

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

Mark Weakland

$17.19 - $21.64

Fred Flintstone's Adventures with Wheels and Axles

Mark Weakland

$13.19 - $21.39

When Walt Disney Rode a Pig

Mark Weakland

$4.89 - $21.64

Zombies and Forces and Motion

Mark Weakland

$4.79 - $11.19

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

Mark Weakland

$4.79 - $21.64

Yogi Bear's Guide to Animal Tracks

Mark Weakland

$6.89 - $21.64