Cracking the code isn't all it's cracked up to be in this scavenger hunt adventure from a Coretta Scott King Honor-winning author.Chester Keene takes great comfort in his routines. Afterschool Monday to Thursday is bowling, and Friday, the best of days, is laser tag! But besides Friday laser tag, Chester has one other very special thing—he gets secret spy messages from his dad, who must be on covert government assignments, which is why Chester has never met him. Then one day