Tom Tomsky, a timid nine-year-old, reluctantly agrees to help professional ghostbuster Hetty Hyssop find the Incredibly Revolting Ghost that is haunting the Averagely Spooky Ghost hiding out in Tom's attic.
Provides background information about ghosts, contains three stories of reported hauntings, presented in graphic novel form, and includes a brief debate on whether ghosts exist.
Wishing to be like his older but dead brother, who often materializes to give Wally advice and support, Wally enters a skateboarding competition and finally gains the confidence to be himself.