Sylv Chiang is a middle grade teacher by day and a writer of middle grade fiction by night. She wrote Cross Ups! to appeal to the students in her grade five class who are more interested in video games than books. She lives in Pickering, Ontario. Connie Choi is a Toronto-based illustrator who recently graduated from the Illustration program at Sheridan College. She loves to draw characters and the worlds they live in. She lives in Toronto, Ontario.