Og learns the value of teamwork in this adorable, rhyming Pre-Level 1 Ready-to-Read by award-winning and New York Times bestselling author Ame Dyckman and renowned illustrator Elio!Og and his new kitty cat friend Mog are building a fun project! But they are missing an important piece of equipment to finish it. And Dog feels left out and wants to help. Can furry monster Og, Mog, and Dog work together to save the day?