A latest entry in the series that includes It's NOT the Stork! follows the adventures of young Gus and Nellie, who watch their mother's pregnancy and anticipate the arrival of a new sibling while learning engaging facts about how unborn babies develop.
| Author: Robie H. Harris |
| Publisher: Candlewick |
| Publication Date: September 24, 2013 |
| Number of Pages: 40 pages |
| Language: English |
| Binding: Hardcover |
| ISBN-10: 0763636304 |
| ISBN-13: 9780763636302 |