A class takes a field trip back through time to observe living dinosaurs in their natural habitat.
- ISBN10 006021709X
- ISBN13 9780060217099
- Publish Date 1 September 1991
- Publish Status Out of Print
- Out of Print 17 March 2021
- Publish Country US
- Publisher HarperCollins Publishers
- Imprint Collins
- Format Hardcover
- Language English