Frank Berrios is the author of many books for children, including the Little Golden Books Football with Dad, Soccer with Mom, and My Little Golden Book About Jackie Robinson, as well as the reader Unhappy Birthday, Grumpy Cat!

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.

Bill Robinson is an illustrator and character designer for animation. He has illustrated over twelve books for children, including titles based on Frozen, The Dark Crystal, and Vampirina for Random House and Disney. He is currently a character designer at DreamWorks TV (The Boss Baby: Back in Business) and has worked with Disney, Sony, Warner Bros., Reel FX, Nickelodeon, and HBO. His work can be seen in the upcoming film SCOOB! from Warner Bros. He lives with his wife, daughter, and dog in Los Angeles, California.