Mark Weakland

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$9.99 - $63.99

How Heavy?

Mark Weakland

$9.99 - $33.49

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

Mark Weakland

$6.09 - $9.59

Smash!: Wile E. Coyote Experiments with Simple Machines

Mark Weakland

$6.69 - $24.93

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

Mark Weakland

$6.39 - $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

$5.49 - $23.64

The Solid Truth about Matter

Mark Weakland

$7.89

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$4.89 - $22.17

Football ABC (SI Kids Rookie Books)

Mark Weakland

$5.49 - $7.09

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

Mark Weakland

$6.59 - $21.19

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$23.86 - $55.99

Clang!

Mark Weakland

$21.59 - $23.64

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$6.59 - $22.38

Football Colors (SI Kids Rookie Books)

Mark Weakland

$9.79 - $17.89

Applying the Science of Reading (Quick Reference Guide)

Mark Weakland

$13.82

When Walt Disney Rode a Pig

Mark Weakland

$5.49 - $23.23

Football Opposites

Mark Weakland

$6.09 - $21.60

Zombies and Forces and Motion

Mark Weakland

$13.79

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$9.32 - $22.17

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

Mark Weakland

$6.09 - $12.49

When Neil Armstrong Built a Wind Tunnel

Mark Weakland

$7.19 - $22.17

Bubbles Float, Bubbles Pop

Mark Weakland

$9.32 - $16.59

When Wilma Rudolph Played Basketball

Mark Weakland

$6.19 - $23.23

Super Spellers: Seven Steps to Transforming Your Spelling Instruction

Mark Weakland

$8.19 - $9.29

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

$9.89 - $21.97

Seeds Go, Seeds Grow

Mark Weakland

$5.49 - $9.32

Zombies and Electricity

Mark Weakland

$8.79

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

Mark Weakland

$21.56