1. Some critics have expressed concern that the unusual format of this novel could be offputting to readers. Did the book seem more difficult or easier to read than a standard novel? Did your feelings about the book's structure change as you read the entire volume?

2. Compare and contrast the roles of Rob's grandmother and grandfather, both as characters in the novel and as influences on Rob's life.

3. Consider the implications of the Internet on this novel. Would Rob's story be different if he sought out his father using the Internet rather than a radio? Do hobbies such as being an "AM band DXer" or shortwave radio operator seem passe now that people can listen to radio stations all over the world via the Internet?

4. A number of minor adult characters,including Aunt Jessica, Aunt June, Nick,and Ray, play roles in Rob's story. Compare...