Professor Xargle's class of extraterrestrials learns about the physical characteristics and behavior of the human baby.
- ISBN10 0525444653
- ISBN13 9780525444657
- Publish Date 27 March 1989
- Publish Status Out of Stock
- Out of Print 30 January 2010
- Publish Country US
- Imprint Penguin Books Ltd
- Edition American ed.
- Format Hardcover
- Pages 32
- Language English