Book 1

Rampant

by Diana Peterfreund

Published 25 August 2009
After sixteen-year-old Astrid Llewelyn survives a vicious unicorn attack, she learns that she is a descendant of the most famous unicorn hunter of all time and she must travel to Rome, Italy, to train in the ancient arts in order to carry on her family legacy and save the world from the threat posed by the reemergence of lethal unicorns.

Book 2

Ascendant

by Diana Peterfreund

Published 1 January 2010
When sixteen-year-old Astrid Llewellyn, now a fully-trained unicorn hunter, joins the quest to discover The Remedy at a laboratory in the French countryside, she begins to question her love for Giovanni, her loyalty to the Cloisters, and even her duty as a hunter.