Joseph DAgnese is a journalist, author and ghostwriter who has written for both adults and children alike. He’s probably best known for his books about the signers of the Declaration of Independence (Signing Their Lives Away), personal finance for freelancers (The Money Book for Freelancers), and an award-winning children's picture book on the Fibonacci sequence (Blockhead: The Life of Fibonacci). He has won a Derringer Award for his short mystery fiction, and one of his stories appeared in the Best American Mystery Stories 2015 anthology, guest-edited by author James Patterson. D’Agnese lives with his wife in North Carolina. Discover more at