Mark Weakland

How To Prevent Reading Difficulties, Grades Prek-3

Who's Who At School

When Eleanor Roosevelt Learned To Jump A Horse

Kaboom!

Scooby-Doo! And The Buried City Of Pompeii

How Does Wi-Fi Work?

Smash!: Wile E. Coyote Experiments With Simple Machines

Scooby-Doo! And The Cliff Dwellings Of Mesa Verde

This Is My School

Fred Flintstone's Adventures With Pulleys

Scooby-Doo! An Addition Mystery

How Tall?

When Martin Luther King Jr. Wore Roller Skates

Yogi Bear's Guide To Animal Tracks

When Martin Luther King Jr. Wore Roller Skates

When Wilma Rudolph Played Basketball

When Amelia Earhart Built A Roller Coaster

Fast, Strong, Fearless

Football Opposites

Fred Flintstone's Adventures With Levers

Scooby-Doo! An Even Or Odd Mystery

Fred Flintstone's Adventures With Inclined Planes

Stadium, Jersey, Player

Scooby-Doo! And The Ruins Of Machu Picchu

Fred Flintstone's Adventures With Wedges

Scooby-Doo! A Subtraction Mystery

Thud!

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

Pass, Catch, Tackle

Scooby-Doo! A Number Comparisons Mystery

Clang!

School Rules

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?

What Is Magnetism?