Janet Evanovich was born on April 22, 1943 in South River, New Jersey. She received a bachelor's degree in art from Douglas College, which is part of Rutgers University. She was working as a secretary for a temporary employment agency when she sold her first romance novel, Hero at Large, which was published in 1987 under the pseudonym Steffie Hall. She went on to write 12 romances in five years using her real name before beginning to write mysteries. Her first mystery novel, One for the Money, became the first book in the Stephanie Plum series. Her title in this series, Top Secret Twenty-One, made The New York Times Best Seller List in 2014. She is also the author of the Alex Barnaby series, A Between-the-Numbers Novel series, Lizzy and Diesel series, and Full series with Charlotte Hughes. She has also written several books with Lee Goldberg including The Heist and The Chase.Cressida Cowell was born on April 15, 1966 in London. She went to Oxford where she studied English, and at St Martin's and Brighton University where she learned illustration. Cressida also won the Nestle Children's book award. She is known for writing the Hiccup series of books. Some of her titles include: How to Train Your Dragon, How to Be a Pirate and How to Speak Dragonese. Her title How to Seize a Dragon's Jewel made The New York Times Best Seller List for 2013. In 2014, she made the list again with her title - How to Train Your Dragon: How to Betray a Dragon's Hero.