The solutions to ten mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the ten-year-old mastermind of Idaville's war on crime.
The mysterious kidnapping of Fletcher, the inert Basset hound, leads Jill and Gwen on a frantic search that ends up in front of a TV camera shooting a dog food commercial.
Dawn Bosco goes to summer camp and finds a mystery when her shell mirror and favorite pin disappear, but the Polka Dot Private Eye might have a hard time investigating without her detective kit.
While helping their father search for the "Ivory Idol, " Joe and Frank discover a connection between their current case at a carnival in town, a stuffed whale dug up at a local construction site, and the "Ivory Idol.".
Frank and Joe go to the Pocono Mountains to investigate the mystery of a legendary witch who stalks Black Hollow seeking vengeance. Disappearances occur and strange screams fill the night.
Eleven-year-old C?cile Rey searches through many corners of 1854 New Orleans seeking a necklace, borrowed from her Tante Tay, that disappeared as she was exiting a crowded showboat. Includes facts about the 1850s.