

She published Elliot and the Goblin War, the first Underworld Chronicles book, in 2010 and has continued publishing novels since. However, it was abandoned when a locksmith did not allow her to research picking locks. Nielsen was born and raised in northern Utah and completed her first full manuscript, on picking locks, at the age of 11.


Her works include the Ascendance Series, Behind Enemy Lines (one of the books in the Infinity Ring series), The Mark of the Thief, A Night Divided, and the Underworld Chronicles. Jennifer Anne Nielsen (born July 10, 1971) is an American author known primarily for young adult fiction.
