Adventures of the Northwoods
1 The Disappearing Stranger (1990)
2 The Hidden Message (1990)
3 The Creeping Shadows (1990)
4 The Vanishing Footprints (1991)
5 Trouble At Wild River (1991)
6 The Mysterious Hideaway (1992)
7 Grandpa's Stolen Treasure (1992)
8 The Runaway Clown (1993)
9 The Mystery of the Missing Map (1994)
10 Disaster On Windy Hill (1994)
2 The Hidden Message (1990)
3 The Creeping Shadows (1990)
4 The Vanishing Footprints (1991)
5 Trouble At Wild River (1991)
6 The Mysterious Hideaway (1992)
7 Grandpa's Stolen Treasure (1992)
8 The Runaway Clown (1993)
9 The Mystery of the Missing Map (1994)
10 Disaster On Windy Hill (1994)
Omnibus editions