43 books in series
The Hardy Boys Casefiles
The Hardy Boys Casefiles is a 43-book series with 43 released primary works first released in 1983 with contributions by Franklin W. Dixon, Kate William, Jacqueline Carroll, R.L. Stine, and Cathy East Dubowski.
| #2 |  Evil, Inc.
| 4 | 1 read | ||
| #4 |  The Lazarus Plot
| 4 | 2 reads | ||
| #7 |  Deathgame
| 0 | 1 read | ||
| #8 |  See No Evil
| 3.5 | 3 reads | ||
| #11 |  Brother Against Brother
| 0 | 1 read | ||
| #12 |  The Perfect Getaway
| 3 | 1 read | ||
| #13 |  The Borgia Dagger
| 4 | 1 read | ||
| #16 |  Line of Fire
| 4 | 1 read | ||
| #17 |  The Number File
| 2 | 1 read | ||
| #18 |  A Killing in the Market
| 0 | 1 read | ||
| #21 |  Street Spies
| 0 | 1 read | ||
| #23 |  Disaster for Hire
| 4 | 2 reads | ||
| #24 |  Scene of the Crime
| 0 | 1 read | ||
| #26 |  Trouble in the Pipeline
| 3 | 1 read | ||
| #27 |  Nowhere to Run
| 3 | 1 read | ||
| #28 |  Countdown to Terror
| 3 | 1 read | ||
| #29 |  Thick as Thieves
| 2 | 2 reads | ||
| #30 |  The Deadliest Dare
| 3.5 | 2 reads | ||
| #31 |  Without a Trace
| 3 | 1 read | ||
| #36 |  Running on Empty Running on Empty
| 4 | 1 read | ||
| #38 |  Diplomatic Deceit
| 4 | 1 read | ||
| #42 |  Last Laugh
| 0 | 1 read | ||
| #45 |  In Self-Defense
| 3 | 2 reads | ||
| #50 |  Valtapeliä
| 0 | 0 reads | ||
| #52 |  Uncivil War
| 3 | 1 read | ||
| #53 |  Web of Horror
| 0 | 1 read | ||
| #54 |  Deep trouble
| 0 | 0 reads | ||
| #65 | No Mercy No Mercy
| 4 | 1 read | ||
| #81 |  Sheer Terror
| 0 | 0 reads | ||
| #84 |  False Alarm
| 0 | 0 reads | ||
| #86 |  Virtual Villainy
| 0 | 0 reads | ||
| #93 |  Mission: Mayhem
| 0 | 1 read | ||
| #96 |  Against All Odds
| 4 | 1 read | ||
| #99 |  Frame-Up
| 0 | 0 reads | ||
| #107 |  Fast break
| 0 | 0 reads | ||
| #108 |  Blown away
| 0 | 0 reads | ||
| #109 |  Moment of Truth
| 0 | 0 reads | ||
| #112 |  The Hardy Boys Casefiles #112
| 0 | 0 reads | ||
| #114 |  Clean Sweep
| 0 | 0 reads | ||
| #116 |  Acting Up
| 0 | 0 reads | ||
| #117 |  Blood sport
| 0 | 0 reads | ||
| #118 |  The Last Leap
| 0 | 1 read | ||
| #123 |  High-Wire Act
| 0 | 1 read | ||
| #125 |  Stress Point #125
| 0 | 0 reads |