Cell Phones and Smartphones: A Graphic History

Blake A. Hoena grew up in central Wisconsin, where, in his youth, he wrote stories about robots conquering the Moon and trolls lumbering around in the woods behind his parents house, and the fact that the trolls were hunting for little boys had nothing to do with Blake's pesky brothers. Later, he moved to Minnesota to pursue a Masters of Fine Arts degree in Creative Writing from Minnesota State University, Mankato.Since graduating, Blake has written more than fifty books for children, including retellings of The Legend of Sleepy Hollow and the Perseus and Medusa myth. Most recently, he's working on choose-your-path books: Treasure Island and Campfire Crisis.

Ceej Rowland is a freelance illustrator with over ten years of experience. He loves new challenges and lives in England.