What We Saw

Dweeb: Burgers, Beasts, and Brainwashed Bullies

Math Mysteries: The Triplet Threat

Interesting Facts & Short Stories for Curious Minds: 1000 Fascinating & Spectacular Trivia About Mysterious Monuments, Unique Museums, Presidential Myths, Weird Animals, Fun Random Stuff & Much More

A Stone for Sascha

The Walking School Bus

Dude!

Emma Tremendous

The big time

"An elementary introduction to the life, work, and popularity of Justin Bieber, a Canadian pop singer who became known as a teen idol and gained fame with such songs as "Baby"--Provided by. publisher.

Discover Your Child's Next Read

What We Saw

Aaron Hartzler, Mary Downing Hahn, 2022

Dweeb: Burgers, Beasts, and Brainwashed Bullies

Aaron Hartzler, 2009

Math Mysteries: The Triplet Threat

Aaron Hartzler, Aaron Starmer, 2023

Interesting Facts & Short Stories for Curious Minds: 1000 Fascinating & Spectacular Trivia About Mysterious Monuments, Unique Museums, Presidential Myths, Weird Animals, Fun Random Stuff & Much More

Aaron Hartzler, Aaron Wright, 2023

A Stone for Sascha

Aaron Hartzler, Aaron Becker, 2018

The Walking School Bus

Aaron Hartzler, Aaron Friedland, Julian Lennon, Andrew Jackson Obol, 2023

Dude!

Dan Santat, Aaron Hartzler, Reynolds Aaron, 2018

Emma Tremendous

Aaron Hartzler, A.D. Goodman, 2014