Before you leave...
Take 20% off your first order
20% off
Enter the code below at checkout to get 20% off your first order
Discover summer reading lists for all ages & interests!
Find Your Next Read

Michael L. Power is a senior research associate at the American College of Obstetricians and Gynecologists and a research associate at the Smithsonian National Zoological Park. Jay Schulkin is director of the research department at the American College of Obstetricians and Gynecologists and a research professor in Georgetown University's Department of Neuroscience. Power and Schulkin are the coauthors of The Evolution of the Human Placenta, also published by Johns Hopkins.
Thanks for subscribing!
This email has been registered!
Take 20% off your first order
Enter the code below at checkout to get 20% off your first order