Jennifer A. Nielsen

Jennifer A. Nielsen is an American author known primarily for young adult fiction. Her works include the Ascendance Trilogy, Behind Enemy Lines (one of the books in the Infinity Ring series), The Mark of the Thief, A Night Divided, and the Underworld Chronicles. Nielsen was born and raised in northern Utah and completed her first full manuscript at the age of 11. However, it was abandoned. She published Elliot and the Goblin War, the first Underworld Chronicles book, in 2010 and has continued publishing novels since.