Nerissa is invading the guardians dreams -- can they fight her in their nightmares? Nerissa's powers continue to grow stronger and WIlla, Irma, Taranee, Cornelia and Hay Lin are concerned. After learning Caleb is the Herald of Candracar, Nerissa is determined to capture him and use him against the guardians. As she plots her destruction, Nerissa enters the guardians' dreams, quickly turning them into nightmares. She is everywhere and the girls cannot hide from her -- they must confront Nerissa now!

The Darkest Dream 2006, HarperCollins Children's Books, London

ISBN-13: 9780007209538

TV tie-in edition