Picture Window Books
August 2026
When his dad forgets his CubeKey at home, Charlie Cosmos sets out to deliver it to him at work. Along the way, Charlie tests out a new solarball with his friends and loses track of his dad’s device. Will Charlie find the CubeKey in time or will his solarball slip-up land him in hot water? Young readers will find out in this fun and funny sci-fi adventure! With easy-to-read text and art that pops off the page, every early chapter book in The Cosmos Family series takes readers on a joyous journey into the future.