Weakland, Mark

Smash!: Wile E. Coyote Experiments With Simple Machines

Gut Bugs, Dust Mites, And Other Microorganisms You Can't Live Without

Scooby-Doo! And The Truth Behind Mummies

Football Opposites

Pass, Catch, Tackle

Scooby-Doo! A Number Comparisons Mystery

Fred Flintstone's Adventures With Screws

Thud!

Whoosh, Crunch, Roar

Scooby-Doo! A Subtraction Mystery

Fast, Strong, Fearless

When Martin Luther King Jr. Wore Roller Skates

Magnets Push, Magnets Pull

When Wilma Rudolph Played Basketball

When Amelia Earhart Built A Roller Coaster

Fred Flintstone's Adventures With Pulleys

Seeds Go, Seeds Grow

Scooby-Doo! An Addition Mystery

Fred Flintstone's Adventures With Wheels And Axles

How Tall?

Yogi Bear's Guide To Animal Tracks

When Martin Luther King Jr. Wore Roller Skates

Zoom!

Whoosh!

When Walt Disney Rode A Pig

On My Bike Paperback Book By Mark Weakland

Zoom!

Whoosh!

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

Extreme Sports Records

Baseball Records