Established in July 2013 in a merger between Penguin and Random House, Penguin Random House, with nearly 250 independent imprints and brands on five continents, more than 15,000 new titles published each year, and close to 800 million print, audio, and eBooks sold annually, is the world's leading trade book publisher. Like its predecessor companies, Penguin Random House is committed to publishing adult and children's fiction and nonfiction print editions and is a pioneer in digital publishing. Its publishing lists include more than 60 Nobel Prize laureates and hundreds of the world's most widely read authors.

Lizzy Rockwell has illustrated several books written by her mother as well as many of her own titles.

She lives with her family in Bridgeport, Connecticut.