Books in the Zerus & Ona: Adventures in the Binary World series

Zerus and Ona live in computer's hearts, with millions of other zeros and ones. It's The Binary World! In this adventure, Zerus is infected by a Virus and Ona takes him on an exciting trip, where they'll discover new places and make new friends. Will they find a cure for Zerus? "Zerus & Ona is a rare delight, a fresh concept that perfectly fits a need in our high-tech culture. Miriam Tocino's lovely art and storytelling offer children a warm, welcoming introduction to the potentially daunting world of computers' digital technologies. One that adults will enjoy reading alongside them, too." -John Gonzalez, Writer of Horizon: Zero Dawn and Fallout: New Vegas