Op-Ed: Where do babies come from? Until recently, even genius scientists had no idea Marrielle Andrews sleeps in her mother’s arms at Bon Secours DePaul Medical Center in Norfolk, Va. on May 2.

What Makes a Baby is, as you'd probably suspect from the title, a picture book intended to teach young children about where they come from. In other words, it's an origin story.

Where babies come from is one of the most common queries lobbed at parents, according to Bartell, who wrote The Top 50 Questions Kids Ask.