L. A. Meyer was born in Johnstown, Pennsylvania in 1942. He received a B.A. in English literature from the University of Florida in Gainesville and soon after, enlisted in the U.S. Navy for a four year-stint. He worked as a social worker and then published two picture books, The Gypsy Bears and The Clean Air and Peaceful Contentment Dirigible Airline, before receiving his M.F.A. in painting from Boston University in 1973. He taught high school art in Massachusetts for seven years and then left to open art and design shops. His first novel for young readers, Bloody Jack: Being an Account of the Curious Adventures of Mary "Jacky" Faber, Ship's Boy, was published in 2002. It became the first book in the Bloody Jack Adventure series. He died from Hodgkin's lymphoma on July 29, 2014 at the age of 71.
Katherine Kellgren was born in New York City in 1969. She studied at the British American Drama Academy and the London Academy of Music and Dramatic Art (LAMDA). After graduating from LAMDA, she appeared on stage in London, New York, and Frankfurt. She narrated more than 250 audiobooks and won thirteen Audie Awards including five for best female narrator. She died from cancer on January 10, 2018 at the age of 48.