by Gertrude Chandler Warner
Grades 3-5; Genre - Fiction; GRL O; AR pts. 2.0
- #5 Mike's Mystery O
- #10 Schoolhouse Mystery O
- #11 Caboose Mystery O
- #14 The Tree House Mystery O
- #15 Bicycle Mystery O
- #22 The Animal Shelter Mystery O
- #40 The Canoe Trip Mystery O
- #56 The Firehouse Mystery O
- #61 The Growling Bear Mystery O
- #87 The Mystery of the Spider's Clue O
- #89 The Mystery of the Star Ruby O
- #127 Monkey Trouble O
- #128 The Zombie Project O