Caillou is excited when he gets to go for his first ride on the big school bus. Marion Johnson is the author of Caillou in the Garden , Caillou Learns to Skate , Caillou: The Circus Parade , and Caillou: The School Bus . She lives in Toronto, Ontario. Eric Sévigny is a graphic artist and the illustrator of numerous Caillou titles, such as Caillou: Every Drop Counts , Caillou: Happy Holidays , and Caillou Puts Away His Toys . He lives in Montreal, Quebec.