After a mechanical mishap, studious environmentalist Charlie and artistic Oliver travel back through time and must gather information on recycling throughout the ages to return to the present day. "Studious environmentalist Charlie is stuck with a science fair partner who seems like her complete opposite: Charlie wants to save the planet, and all Oliver wants is to doodle in his notebook. But when a mechanical mishap sends the two traveling back...

"A middle grade graphic memoir based on bestselling author and Caldecott Medalist Dan Santat's awkward middle school years and the trip to Europe that changed his life. Dan's always been a good kid. The kind of kid who listens to his teachers, helps his mom with grocery shopping, and stays out of trouble. But being a good kid doesn't stop him from being bullied and feeling like he's invisible, which is why Dan has low expectations when his parents...

"So who exactly were the gladiators? It turns out they were many different types of people. The combatants in the coliseums features slaves, willing fighters and even people looking for free food and shelter. Gladiators used different weapons and acted in different roles depending on their specific situation. Now you can learn all about them with our helpful guides, Annie and Nico. Uncover the Romans' historic entertainment in this pocket-sized graphic...