Mark Weakland

How To Prevent Reading Difficulties, Grades Prek-3

When Eleanor Roosevelt Learned To Jump A Horse

Who's Who At School

Scooby-Doo! And The Buried City Of Pompeii

Kaboom!

How Tall?

Yogi Bear's Guide To Animal Tracks

When Martin Luther King Jr. Wore Roller Skates

Scooby-Doo! And The Cliff Dwellings Of Mesa Verde

Scooby-Doo! An Addition Mystery

Fred Flintstone's Adventures With Pulleys

Smash!: Wile E. Coyote Experiments With Simple Machines

This Is My School

When Martin Luther King Jr. Wore Roller Skates

When Wilma Rudolph Played Basketball

When Amelia Earhart Built A Roller Coaster

Fast, Strong, Fearless

How Does Wi-Fi Work?

Football Opposites

Scooby-Doo! And The Ruins Of Machu Picchu

Scooby-Doo! An Even Or Odd Mystery

Stadium, Jersey, Player

Fred Flintstone's Adventures With Levers

Fred Flintstone's Adventures With Inclined Planes

Thud!

Scooby-Doo! A Subtraction Mystery

Fred Flintstone's Adventures With Wedges

Whoosh, Crunch, Roar

Fred Flintstone's Adventures With Wheels And Axles

Scooby-Doo! And The Pyramids Of Giza

Fred Flintstone's Adventures With Screws

Football Opposites

Scooby-Doo! And The Truth Behind Mummies

Scooby-Doo! A Number Comparisons Mystery

Pass, Catch, Tackle

Clang!

School Rules

How Does Wi-Fi Work?

Zombis, Fuerzas Y Movimiento

Super Spellers Starter Sets

What Is Magnetism?

What Is Light?

When Ruth Bader Ginsburg Chewed 100 Sticks Of Gum

Who's Who At School

What Is Light?