Mark Weakland

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$7.99 - $12.99

How Heavy?

Mark Weakland

$9.99 - $12.29

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

Mark Weakland

$5.69 - $26.49

Smash!: Wile E. Coyote Experiments with Simple Machines

Mark Weakland

$4.79 - $12.29

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

Mark Weakland

$5.79 - $20.99

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

Mark Weakland

$5.59 - $8.99

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

Mark Weakland

$13.03

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$5.39 - $12.19

The Solid Truth about Matter

Mark Weakland

$16.39 - $18.69

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

Mark Weakland

$6.29 - $11.09

Football ABC (SI Kids Rookie Books)

Mark Weakland

$5.39 - $10.29

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$55.99

Clang!

Mark Weakland

$17.59 - $21.09

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$5.49 - $6.19

Football Colors (SI Kids Rookie Books)

Mark Weakland

$6.59 - $23.19

Football Opposites

Mark Weakland

$4.59 - $22.59

Zombies and Forces and Motion

Mark Weakland

$4.39 - $10.19

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$17.49 - $23.01

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

Mark Weakland

$13.19

Seeds Go, Seeds Grow

Mark Weakland

$6.89 - $9.99

When Neil Armstrong Built a Wind Tunnel

Mark Weakland

$6.49

Bubbles Float, Bubbles Pop

Mark Weakland

$4.79 - $9.99

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

Mark Weakland

$15.79

Super Spellers: Seven Steps to Transforming Your Spelling Instruction

Mark Weakland

$7.59

When Walt Disney Rode a Pig

Mark Weakland

$7.69

DO-4U the Robot Experiences Forces and Motion

Mark Weakland

$5.39 - $11.19

Applying the Science of Reading (Quick Reference Guide)

Mark Weakland

$13.96

When Wilma Rudolph Played Basketball

Mark Weakland

$5.19 - $23.46

Yogi Bear's Guide to Rocks

Mark Weakland

$22.49

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

Mark Weakland

$8.48