This series for young children provides easy-to-understand facts and answers. Launching the series is Who Has What?, a simple story following Nellie and Gus on a family outing to the beach. Humorous illustrations, conversations between the siblings, and a clear text all reassure young kids that whether they have a girl's body or a boy's, their bodies are perfectly normal, healthy, and wonderful.

The Army is the biggest and oldest branch of the U.S. military. It relies on highly trained soldiers to complete missions around the world. Learn about the roles of soldiers and their training, and get an inside look at the advanced equipment, vehicles, and weapons the Army uses. When duty calls, the Army is always ready to defend.

The U.S. Marine Corps dates back to the American Revolutionary War. Marines are known for being first to arrive at conflicts around the world. Learn about the roles of Marines and their training, and get an inside look at the advanced equipment, aircraft, and weapons the Marines use to complete their tough missions.