Four mysterious letters change Miranda's world forever.By sixth grade, Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. They know where it's safe to go, like the local grocery store, and they kn...

When seventh grader Georges (the S is silent) moves into a Brooklyn apartment building, he meets Safer, a twelve-year-old coffee-drinking loner and self-appointed spy. Georges becomes Safer's first spy recruit. His assignment? Trackin...