Scholastic, New York, 2007, 1^st pr.  ISBN 0-439-93342-0 / 978-0-439-93342-1.  Trade soft cover, 235 pages.  Very good; light edge and cover wear, tight binding with crease on spine; interior clean and unmarked.  Book 3 of a 3 part series.  ‘J.D. can’t run from her past any longer.  She knows the truth now:  that she’s dangerous, a weapon.  If she can’t learn to control her powers, there’s no telling what – or who – she’ll destroy next.  To finally unlock the secrets in her mind, she will have to return to the Institute that created her.  But going back won’t be easy.  Almost nobody goes in … and no one ever gets out.’ (from rear wrap)