The Cause And Control Of Sex In Human Offspring
Jackson, R. Clay
Access No.: 14556
Condition: Good. Wear on the book corners as well as the top and bottom of the spine.
Description: The author's research leads him to propose sun light during pregnancy as a factor in the sex of a child. He has other interesting theories. There are b&w photos and many weather charts.
Keywords: Eccentric, gender, sex