Jo Nesbø is the most successful Norwegian author of all time. He has sold more than 19 million books, which are published in forty-seven different languages globally, and he is widely recognized as one of Europe’s foremost crime writers. The author of crime fiction and short stories, the Doctor Proctor adventures are his first children’s books.

Mike Lowery is an author and bestselling illustrator who has worked on more than eighty books for children, including the Mac B., Kid Spy series with Mac Barnett, They Call Me No Sam! with Drew Daywalt, and more. He is also the creator of the Everything Awesome and Bug Scouts books. He lives in Decatur, Georgia, with his wife and kids, and his daily sketchbook can be seen at MikeLowery.com.