Meanwhile, some kids at school think it's weird that Robby's father stays home to take care of the twins while his mother works. Robby worries that, if his family is not like everybody else's, the authorities could take him away from them.
When he learns that Mrs. Van Gent is coming to dinner, he knows she plans to spy. He's got to turn the Hummers into a normal family - now!
For ages 9 to 12.
(From the Middle-School Real-Life Stories shelf.)