Cam Jansen

1 The Mystery of the Stolen Diamonds (1982)
2 The Mystery of the U.F.O (1980)
3 The Mystery of the Dinosaur Bones (1990)
4 The Mystery of the Television Dog (1984)
5 The Mystery of the Gold Coins (1982)
6 The Mystery of the Baby Ruth Baseball (1982)
7 The Mystery of the Circus Clown (1983)
8 The Mystery of the Monster Movie (1984)
9 The Mystery Of The Carnival Prize (1984)
10 The Mystery Of The Monkey House (1985)
11 The Mystery of the Stolen Corn Popper (1986)
12 The Mystery of Flight 54 (1989)
13 The Mystery At the Haunted House (1992)
14 The Chocolate Fudge Mystery (1993)
15 The Triceratops Pops Mystery (1995)
16 The Ghostly Mystery (1996)
17 The Scary Snake Mystery (1997)
18 The Catnapping Mystery (1998)
19 The Barking Treasure Mystery (1999)
20 The Birthday Mystery (2000)
21 The School Play Mystery (2001)
22 The First Day of School Mystery (2002)
23 The Tennis Trophy Mystery (2003)
24 The Snowy Day Mystery (2004)
25 The Valentine Baby Mystery (2005)
26 The Secret Service Mystery (2006)
27 The Mystery Writer Mystery (2007)
28 The Green School Mystery (2008)
29 The Basketball Mystery (2009)
30 The Wedding Cake Mystery (2010)
31 The Graduation Day Mystery (2011)
32 The Millionaire Mystery (2012)
33 The Spaghetti Max Mystery (2013)
34 The Joke House Mystery (2014)