Book 21

Comic Con Artist

by Franklin W. Dixon

Published 25 March 2008
Frank and Joe go undercover at a comic book convention!

Someone is selling forged comic books art at a big comic book convention. The boys are on the case, but they've got to keep this one on the down low or there will be chaos among the legions of fanatical fans.

Book 22

Deprivation House

by Franklin W. Dixon

Published 20 May 2008
The Hardy Boys go undercover and join the cast of a new reality show called 'Deprivation House' ~ featuring a group of teens competing to see who can survive the longest without modern luxuries. But things are not quite what they seem, either with the contestants themselves, or the people running the show. Can the Hardy Boys uncover the truth before it's too late?

Book 23

House Arrest

by Franklin W. Dixon

Published 8 July 2008
Following on from their last case, Frank and Joe Hardy stay undercover on the Deprivation House reality show. The suspect list has been narrowed now that the culprit behind the initial crimes has been caught. But, someone living in that house still has murder on their mind… Can the Hardy Boys discover who's behind the continued "accidents" before someone else turns up dead?

Book 24

Murder House

by Franklin W. Dixon

Published 30 September 2008

ATAC Briefing for Agents Frank and Joe Hardy

MISSION: To finally get to the bottom of the ongoing deadly scares taking place on the set of the reality TV show Deprivation House.

LOCATION: A huge villa in Beverly Hills, CA, without a single luxury left inside.

POTENTIAL VICTIMS: Every contestant on the reality show is in extreme danger.

SUSPECTS:It's possible one of the new contestants has a devious agenda, or else someone who's been there all along is hiding a huge secret.

Book 25

Double Trouble

by Franklin W. Dixon

Published 25 November 2008
Another hit trilogy featuring Frank and Joe Hardy!

#25: Double Trouble launches the next three-book arc storyline, featuring a teen celebrity being stalked, with a twin brother who adds some interesting complications into the mix.

Book 26

Double Down

by Franklin W. Dixon

Published 23 December 2008

ATAC Briefing for Agents Frank and Joe Hardy

MISSION: Continue working undercover as part of teen movie start Justin Carraway's entourage to find out more about the unsolved murder of the celeb's least favorite paparazzo and other mysterious happenings.

LOCATION: Atlantic City, NJ.

POTENTIAL VICTIMS: One murder has already taken place. If the suspect isn't caught soon, anyone could be the killer's next victim.

SUSPECTS: Everyone seems to go crazy when it comes to teen screen superstars - but now there really is a crazy person running around...and he or she may be closer than anyone thinks!

Book 27

Double Deception

by Franklin W. Dixon

Published 10 March 2009
In the final bookmin the Double Danger Trilogy, the Hardy Boys continue to try and track down Justin's missing twin. But when Justin himself starts acting suspicious the action heats up...leading to a shocking twist!

Book 28

Galaxy X

by Franklin W. Dixon

Published 19 May 2009
Frank and Joe Hardy have been sent on a mission to live on the edge! A new theme park, Galaxy X, is about to open. But someone out there obviously wants Galaxy X to go away. The park owner has received threatening e-mails, and accidents are becoming frequent. In Galaxy X, the brothers have to find the saboteur before opening day, or someone could get seriously hurt. In X-plosion, Frank and Joe must trail pro skater Cody Zane, brought to Galaxy X for the grand opening, and find out who would want to end his career just as it’s about to explode. . . .

Book 29

X-Plosion

by Franklin W. Dixon

Published 21 July 2009
It's the grand opening of Galaxy X and pro-skater and ultra-cool guy, Cody Zane is there for the big day. But Frank and Joe Hardy are hot on his trail to try and find out who wants to end his career just as it's about to explode…

Book 30

X-Factor

by Franklin W. Dixon

Published 8 September 2009
Frank and Joe Hardy are back to square one with their suspect list. They must find out the identity of the saboteur behind the disruptions at the X Games theme park, Galaxy X, before he or she kills again - and before the park gets shut down!

Book 31

Killer Mission

by Franklin W. Dixon

Published 10 November 2009
The Hardy Boys are off on a brand- new adventure. ATAC sends Frank and Joe undercover at a spooky, private boarding school in New England that has more secrets than it can possibly keep quiet!

Book 32

Private Killer

by Franklin W. Dixon

Published 5 January 2010
In Private Killer, Frank and Joe continue their undercover investigation of Gamma Theta Theta, a mysterious-turned-dangerous fraternity at an all-boys New England boarding school. The headmaster’s meddlesome, trouble-making daughter is in danger, and it seems like the fraternity members—and even some faculty—will stop at nothing to protect their secrets.

Book 33

Killer Connections

by Franklin W. Dixon

Published 9 March 2010
Detective duo, Frank and Joe Hardy, learn that the headmaster of The Wills Frith Academy is in peril along with his daughter - and maybe even the Hardy's are as well! Can the boys wrap up their mission before someone loses a life?

Book 34

Children of the Lost

by Franklin W. Dixon

Published 29 April 2010
The Hardy Boys are on a chilling mission! They've been sent out on a camping trip in the woods where children have suddenly disappeared. Every time a child disappears, the word "LOST" has materialised outside their tent... and they are never heard from again. The Hardy Boys think they've got things covered; they're ATAC agents after all. But when an "L" appears outside their own tent on their first night in the woods, things soon take a turn for the creepy.

Book 35

Lost Brother

by Franklin W. Dixon

Published 12 October 2010
In the second book of this gripping trilogy, Frank has gone missing in the woods and it’s up to Joe to stop his brother from becoming one of the LOST!

Book 36

Forever Lost

by Franklin W. Dixon

Published 4 January 2011
The third book of the Blair-witch-like abduction trilogy. Frank has been discovered at long last and may posess key answers to questions that will solve the mystery of the LOST abductions once and for all.

Book 37

Movie Menace

by Franklin W. Dixon

Published 10 May 2011
Frank and Joe Hardy are assigned to pose as extras on the set of the an upcoming teen movie, Deathstalker. The star, an ingenue named Anya, believes that someone is out to get her--and she's got proof. Someone tried to burn down her trailer! The Undercover Brothers need to get to the bottom of the arson, and other mayhem surrounding the filming of the hit comic book. The first book of the next exciting trilogy!

Book 38

Movie Mission

by Franklin W. Dixon

Published 1 September 2011
The second exciting adventure in the Hardy Boys' DeathstalkerTrilogy!

Frank and Joe Hardy have been posing as extras on the set of the upcoming teen movie, Deathstalker. The star, an ingenue named Anya, has already had her trailer burn down, and now someone keeps sending her threatening texts! The Undercover Brothers manage to keep Anya safe at a comic book convention, but the threats just keep coming. Can they figure out who's behind the mayhem surrounding the filming of the hit comic book? Or is this movie going to wrap before filming even begins?

Book 39

Movie Mayhem

by Franklin W. Dixon

Published 3 January 2012
The Hardy Boys Deathstalker Trilogy comes to a riveting conclusion!

Frank and Joe Hardy have been posing as extras on the set of the upcoming teen movie, Deathstalker. The star, an ingenue named Anya, has already had her trailer burn down, and the Undercover Brothers had their work cut out for them keeping her safe at a comic book convention. But though the threats haven’t stopped, the filming has begun and enough is enough: It’s time to get to the bottom of who’s behind all the movie mayhem—and the Undercover Brothers will do just that in the conclusion to this thrilling trilogy!