Altogether there will be four (and one unofficial) Hardy Boys trilogies by early 2009.

They are as follows:

Bayport Corruption Storyline (unofficial; October 1987-September 1991)
1. See No Evil
2. Line of Fire
3. Beyond the Law
Operation Phoenix Trilogy (June 1992-August 1992)
1. Endangered Species
2. No Mercy
3 The Phoenix Equation
Ring of Evil Trilogy (June 1993-August 1993)
1. Tagged for Terror
2. Survival Run
3. The Pacific Conspiracy
Murder House Trilogy (May 2008-September 2008)
1. Deprivation House
2. House Arrest
3. Murder House
Double Danger Trilogy (November 2008-March 2009)
1. Missing Double
2. Double Trouble
3. Double Deception
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