Alex London is the acclaimed author of more than thirty books for children and teens, including the picture book Still Life, illustrated by Paul O. Zelinsky. His middle grade novels include The Princess Protection Program, Search & Rescue, Dog Tags, and two titles in the 39 Clues series. For young adults, he's the author of the cyberpunk duology Proxy and the epic fantasy series Black Wings Beating, which were both named to numerous best-of-the-year lists. He has been a journalist and human rights researcher reporting from conflict zones and refugee camps, a young adult librarian with the New York Public Library, and a snorkel salesman. He lives with his husband, daughter, and hound dog in Philadelphia, Pennsylvania.