Cara J. Stevens is the author of the Dora and Friends story Let's Save Pirate Day! She has written books for Nickelodeon's PAW Patrol and Bubble Guppies series, as well as a series of unofficial Minecraft graphic novels. Susan Hall received her master's degree in illustration from Syracuse University and worked for 12 years at Hallmark Cards. She then became a freelance illustrator specializing in picture books and educational activity books for children and has illustrated more than 75 books, including Dora and the Winter Games and The Big Birthday Surprise (Nella the Princess Knight). She works out of her studio in Dallas, Texas, assisted by her three cats.