Describes the reproductive process from intercourse to birth.

"A gentle and engaging introduction to the basic facts of life."--Provided by publisher.

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.

Geared to readers from preschool to age eight, What Makes a Baby is a book for every kind of family and every kind of kid. It is a twenty-first-century children's picture book about conception, gestation, and birth, which reflects the reality of our modern time by being inclusive of all kinds of kids, adults, and families, regardless of how many people were involved, their orientation, gender, and another identity, or family composition. Just as important,...

Forget the Kama Sutra. When it comes to inventive sex acts, just look to the sea. There we find the elaborate mating rituals of armored lobsters; giant right whales engaging in a lively threesome whilst holding their breath; full moon sex parties of groupers and daily mating blitzes by blueheaded wrasse. Deep-sea squid perform inverted 69s, while hermaphrodite sea slugs link up in giant sex loops. From doubly endowed sharks to the maze-like vaginas...

This book explains the long process that led man to discover the manner in which it reproduces and all of the biological mechanisms involved in the process.

En España, los problemas de fertilidad afectan a más de 800.000 parejas en edad de tener hijos (1 de cada 6) y, a pesar de ello, es una cuestión de la que no se habla y, por consiguiente, alimenta la desinformación, los mitos y los tabúes. Este libro práctico e ilustrado explica con claridad y rigor qué son la infertilidad y la esterilidad, por qué se producen, cómo se realiza su diagnóstico, cuáles son los tratamientos vigentes y los riesgos...

"From Pulitzer Prize finalist Daniel Okrent, the definitive and timely account of a forgotten dark chapter of American history. The Guarded Gate tells the story of the scientists who provided the intellectual justification for the harshest immigration law in American history and the men who turned their 'science' into politics. Brandished by the upper-class Bostonians and New Yorkers -- many of them progressives -- who led the anti-immigration movement,...