Mark Weakland

How Heavy?

Mark Weakland

$9.19 - $12.39

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$7.99 - $71.69

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

$5.99 - $23.64

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

Mark Weakland

$11.29 - $12.38

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

Mark Weakland

$4.19 - $23.64

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$5.49 - $22.17

The Solid Truth about Matter

Mark Weakland

$7.69 - $18.99

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

Mark Weakland

$5.69 - $21.40

Football ABC (SI Kids Rookie Books)

Mark Weakland

$4.99 - $7.49

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$21.59 - $63.99

Clang!

Mark Weakland

$17.59 - $55.99

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$9.32 - $22.17

Football Opposites

Mark Weakland

$6.19 - $22.81

Football Colors (SI Kids Rookie Books)

Mark Weakland

$6.49 - $16.49

Applying the Science of Reading (Quick Reference Guide)

Mark Weakland

$13.82

Zombies and Forces and Motion

Mark Weakland

$4.19 - $9.69

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$7.09 - $22.17

When Neil Armstrong Built a Wind Tunnel

Mark Weakland

$9.32 - $22.17

Bubbles Float, Bubbles Pop

Mark Weakland

$5.59 - $11.59

Super Spellers: Seven Steps to Transforming Your Spelling Instruction

Mark Weakland

$11.89

Los Engranajes Trabajan, las Ruedas Ruedan/Gears Go, Wheels Roll

Mark Weakland

$4.19 - $4.79

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

Mark Weakland

$7.09 - $9.30

When Walt Disney Rode a Pig

Mark Weakland

$5.19 - $22.17

When Wilma Rudolph Played Basketball

Mark Weakland

$6.79 - $23.23

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

Mark Weakland

$10.39 - $21.97

Seeds Go, Seeds Grow

Mark Weakland

$6.19 - $9.32

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

Mark Weakland

$6.09 - $12.29

Zombies and Electricity

Mark Weakland

$5.49 - $8.71