How should a privileged young California teen react when his parents divorce? In the case of Miles Adler-Rich, he decides to spy on them – and in particular to learn what he can about his mother's new boyfriend. Along the way, however, the precocious Miles learns many things he didn't really want to know. Simpson’s sixth novel is full of insight, even as it showcases her deft touch with character creation. You can see the Monitor's full review of "Casebook" here.