Mark Weakland

How Heavy?

Mark Weakland

$9.99 - $12.89

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$9.99

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

Mark Weakland

$5.49 - $8.71

Smash!: Wile E. Coyote Experiments with Simple Machines

Mark Weakland

$6.69 - $23.64

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

Mark Weakland

$7.09 - $23.64

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

Mark Weakland

$11.39 - $12.49

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

Mark Weakland

$5.39 - $23.64

The Solid Truth about Matter

Mark Weakland

$8.29 - $18.99

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

Mark Weakland

$5.79 - $21.19

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$5.49 - $22.17

Football ABC (SI Kids Rookie Books)

Mark Weakland

$5.69 - $6.79

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$23.86

Clang!

Mark Weakland

$21.59 - $55.99

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$9.41 - $22.38

Football Opposites

Mark Weakland

$4.79 - $22.81

Football Colors (SI Kids Rookie Books)

Mark Weakland

$5.69 - $12.49

Applying the Science of Reading (Quick Reference Guide)

Mark Weakland

$13.82

When Walt Disney Rode a Pig

Mark Weakland

$4.99 - $23.23

When Wilma Rudolph Played Basketball

Mark Weakland

$5.49 - $23.23

Zombies and Forces and Motion

Mark Weakland

$5.79

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$7.09 - $22.17

Los Imanes Atraen, los Imanes Repelen/Magnets Push, Magnets Pull

Mark Weakland

$7.69 - $12.49

When Neil Armstrong Built a Wind Tunnel

Mark Weakland

$6.09 - $22.17

Bubbles Float, Bubbles Pop

Mark Weakland

$8.59 - $9.89

Super Spellers: Seven Steps to Transforming Your Spelling Instruction

Mark Weakland

$8.69 - $9.89

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

Mark Weakland

$7.19 - $9.38

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

Mark Weakland

$16.69 - $21.97

Seeds Go, Seeds Grow

Mark Weakland

$7.49 - $9.32

Zombies and Electricity

Mark Weakland

$7.09 - $8.79

Fred Flintstone's Adventures with Pulleys: Work Smarter, Not Harder

Mark Weakland

$21.56