Writing as J.D. Horn, Jack is the Wall Street Journal best-selling author of the Witching Savannah series (The Line, The Source, The Void, and Jilo), the Witches of New Orleans Trilogy (The King of Bones and Ashes, The Book of the Unwinding, The Final Days of Magic), and the standalone Southern Gothic horror tale Shivaree.

His novels have received global attention and have been translated into Turkish, Russian, Romanian, Polish, Italian, German, and French. The English-language editions of his works have sold more than 600,000 copies through the Amazon sales channel alone.

A student of French and Russian literature, Horn also has an MBA in international business and formerly held a career as a senior financial analyst before turning his talent to crafting chilling stories and unforgettable characters. Originally from Tennessee, he currently lives in California with his spouse, Rich, and their rescue Chihuahua, Kirby Seamus.