When Wanda and Ralphie bring their pets to class, Ms. Frizzle takes her students into the world of bugs. But when the pets become lost in the park, Ms. Frizzle explains that the students must think like bugs to find the two ladybugs and a tarantula. Series Information The popular and information-filled Magic School Bus stories are now offered in chapter book format. Loaded with science information and humor, these are sure to be a hit. So take a seat behind the Friz!