Like many of the author's other books, House Rules involves a child, a disease, and a legal issue that threatens the fabric of a family. Emma, a single mother, copes just fine with her teenage sons until the day Jacob is arrested for the murder of his tutor. Jacob has Asperger's, and the cops confuse his symptoms such as avoiding eye contact with guilt. Jodi Picoult loses points for ruining what could have been a riveting mystery by establishing Jacob's innocence at the outset. (The real story behind the tutor's death is obvious to the careful reader.) The author has delivered a sweet family drama that doubles as a handbook on Asperger's not exactly a thrill, but hardly a bad thing. B

