When Bigfoot is driving the bus, a field trip can feel legendarily longā¦ but the best surprise of all is; yetito come When Yeti, the school bus driver, takes the class on a surprise trip, everyone wants to know ā Are we there, Yeti?ā And when they; finally; arrive, a new adventure is in store Told with simple text and delightful illustrations, Ashlyn Ansteeā s debut picture book presents a fun, new take on a timeless question.