The Hardy Boys: Undercover Brothers is a detective fiction series of books published by Aladdin Paperbacks (an imprint of Simon & Schuster), which replaced The Hardy Boys Digest paperbacks in early 2005.[1] All the books in the series have been written under the pen name of Franklin W. Dixon.
The Undercover Brothers is about two teenage brother detectives, Frank and Joe Hardy, who are the sons of world-famous PI Fenton Hardy. Although there are many similarities in this series to the previous Hardy Boys series, there are also many changes, for example:
| Title | Released | |
|---|---|---|
| 1 | Extreme Danger | April 1, 2005 |
| 2 | Running on Fumes | |
| 3 | Boardwalk Bust | |
| 4 | Thrill Ride | |
| 5 | Rocky Road | July 1, 2005 |
| 6 | Burned | October 1, 2005 |
| 7 | Operation: Survival | December 1, 2005 |
| 8 | Top Ten Ways to Die | February 1, 2006 |
| 9 | Martial Law | April 1, 2006 |
| 10 | Blown Away | June 1, 2006 |
| 11 | Hurricane Joe | August 1, 2006 |
| 12 | Trouble in Paradise | October 1, 2006 |
| 13 | The Mummy's Curse | November 28, 2006 |
| 14 | Hazed | February 6, 2007 |
| 15 | Death and Diamonds | April 10, 2007 |
| 16 | Bayport Buccaneers | June 5, 2007 |
| 17 | Murder at the Mall | July 24, 2007 |
| 18 | Pushed | September 25, 2007 |
| 19 | Foul Play | November 27, 2007 |
| 20 | Feeding Frenzy | January 8, 2008 |
| 21 | Comic Con Artist | March 25, 2008 |
| Title | Released | Trilogy | |
|---|---|---|---|
| 22 | Deprivation House | May 20, 2008 | The Murder House Trilogy |
| 23 | House Arrest | July 8, 2008 | |
| 24 | Murder House | September 30, 2008 | |
| 25 | Double Trouble | November 25, 2008 | Double Danger Trilogy |
| 26 | Double Down | December 23, 2008 | |
| 27 | Double Deception | March 10, 2009 | |
| 28 | Galaxy X | May 19, 2009 | Galaxy X Trilogy |
| 29 | X-plosion | July 21, 2009 | |
| 30 | The X-Factor | September 8, 2009 | |
| 31 | Killer Mission | November 10, 2009 | Killer Mystery Trilogy |
| 32 | Private Killer | January 5, 2010 | |
| 33 | Killer Connections | March 9, 2010 | |
| 34 | The Children of the Lost | May 4, 2010 | Identity Mystery Trilogy |
| 35 | Lost Brother | October 12, 2010 | |
| 36 | Forever Lost | January 4, 2011 | |
| 37 | Movie Menace | May 10, 2011 | The Deathstalker Trilogy |
| 38 | Movie Mission | September 13, 2011 | |
| 39 | Movie Mayhem | January 3, 2012 | |
| Title | Released | |
|---|---|---|
| 1 | Wanted | June 1, 2006 |
| 2 | Kidnapped at the Casino | May 8, 2007 |
| 3 | The Haunted | August 5, 2008 |
The Hardy Boys Secret Files is a series begun in 2010 by the publisher Simon & Schuster under their Aladdin imprint. It features the Hardy Boys, Frank and Joe, as grade-school detectives. Three new titles are published yearly as paperback books and eBooks. This series ended in 2015 and was replaced by the Hardy Boys Clue Book series.
| Title | Pub. | |
|---|---|---|
| 1 | Trouble at the Arcade | April 27, 2010 |
| 2 | The Missing Mitt | |
| 3 | Mystery Map | August 17, 2010 |
| 4 | Hopping Mad | September 14, 2010 |
| 5 | A Monster of a Mystery | April 5, 2011 |
| 6 | The Bicycle Thief | August 9, 2011 |
| 7 | The Disappearing Dog | October 18, 2011 |
| 8 | Sports Sabotage | April 3, 2012 |
| 9 | The Great Coaster Caper | August 7, 2012 |
| 10 | A Rockin' Mystery | October 16, 2012 |
| 11 | Robot Rumble | April 2, 2013 |
| 12 | Lights, Camera ... Zombies! | August 6, 2013 |
| 13 | Balloon Blow-Up | December 3, 2013 |
| 14 | Fossil Frenzy | April 29, 2014 |
| 15 | Ship of Secrets | August 5, 2014 |
| 16 | Camping Chaos | December 2, 2014 |
| 17 | The Great Escape | April 21, 2015 |
| 18 | Medieval Upheaval | August 4, 2015 |
| 19 | The Race Is On | December 1, 2015 |
A crossover spin-off series with the series. The stories are told in the first person, alternating chapters between Frank's or Joe's and Nancy's perspective. The first title in the series acts as an introduction between the characters. This series published one title per year until the end of the Girl Detective and Undercover Brothers series in 2012.
| Title | Released | |
|---|---|---|
| 1 | Terror on Tour | June 5, 2007 |
| 2 | Danger Overseas | May 6, 2008 |
| 3 | Club Dread | May 5, 2009 |
| 4 | Gold Medal Murder | July 6, 2010 |
| 5 | Bonfire Masquerade | July 12, 2011 |
| 6 | Stage Fright | July 10, 2012 |
In the spring of 2005, NBM launched its new imprint, Papercutz, with the publication of two three-part comic book series; Nancy Drew (The Demon of River Heights) and The Hardy Boys (The Ocean of Osyria).[3] After the completion of both series, The Demon of River Heights series and The Ocean of Osyria series were both collected into 92 pages graphic novels, becoming the first titles in the Nancy Drew graphic novel series and the Hardy Boys graphic novel series respectively.
All other titles in both series have been made in graphic novel format only and are published every three months.