This book would not have been possible without thehelp and encouragement of many wonderful people. I thank the tremendously talentedDonna Bray and Arianne Lewin for all their kindness,professionalism, andsupport. I owe a lot to my wonderful friends and family, who have always stoodby me. But mostly, for this book, I thank Kristin Nelson, who sent the e-mailthat started it all.

I suppose a lot of teenagegirls feel invisible sometimes, like they just disappear. Well, that's me—Cammie the Chameleon. But I'm luckier than mostbecause, at my school, that's considered cool.

I go to a school for spies.

Of course, technically, the