Miss Pym's class is in for a comic adventure beyond their wildest dreams. They've boarded the Rocky Mountain Unlimited, a mysterious train that's winding its way into the heart of prehistoric times. Join the class-and a horrified Miss Pym-as they scramble dinosaur egg for breakfast, go stegosaurus-back riding and pterodactyl gliding, and play soccer with their giant reptilian friends.
On a class trip to Dinosaur National Monument in Utah, Miss Pym and her class are whisked back to prehistoric times by a mysterious train. "This you-are-there fantasy is a dream come true".--Bulletin of the Center for Children's Books. School Liibrary Journal Best Book of 1991. Full color.