Puzzle Adventures: The Incredible Dinosaur Expedition : The Intergalactic Bus Trip 
Subtitle: Time Train to Ancient Rome (Puzzle Adventures)
Publisher: Educational Development Corporation
Published: September 1988
Language: eng
Format: Paperback
Number of pages: 144
ISBN-13: 9780746001554
Subjects: Adventure stories; Puzzle adventures; Action & Adventure; Children's Books/Ages 9-12 Fiction