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Publication Order of The 39 Clues Books
| The Maze of Bones | (2008) | Hardcover  Paperback  Kindle |
| One False Note | (2008) | Hardcover  Paperback  Kindle |
| The Sword Thief | (2009) | Hardcover  Paperback  Kindle |
| Beyond the Grave | (2009) | Hardcover  Paperback  Kindle |
| The Black Circle | (2009) | Hardcover  Paperback  Kindle |
| In Too Deep | (2009) | Hardcover  Paperback  Kindle |
| The Viper’s Nest | (2010) | Hardcover  Paperback  Kindle |
| The 39 Clues: Agent Handbook | (2010) | Hardcover  Paperback  Kindle |
| The Emperor’s Code | (2010) | Hardcover  Paperback  Kindle |
| Storm Warning | (2010) | Hardcover  Paperback  Kindle |
| Into the Gauntlet | (2010) | Hardcover  Paperback  Kindle |
| Vespers Rising | (2011) | Hardcover  Paperback  Kindle |
| The Black Book of Buried Secrets (Companion Book) | (2012) | Hardcover  Paperback  Kindle |
Publication Order of The 39 Clues: Cahills vs. Vespers Books
| The Medusa Plot | (2011) | Hardcover  Paperback  Kindle |
| A King’s Ransom | (2011) | Hardcover  Paperback  Kindle |
| The Dead of Night | (2012) | Hardcover  Paperback  Kindle |
| Shatterproof | (2012) | Hardcover  Paperback  Kindle |
| Trust No One | (2012) | Hardcover  Paperback  Kindle |
| Day of Doom | (2013) | Hardcover  Paperback  Kindle |
Publication Order of The 39 Clues: Unstoppable Books
| Nowhere to Run | (2013) | Hardcover  Paperback  Kindle |
| Breakaway | (2013) | Hardcover  Paperback  Kindle |
| Countdown | (2014) | Hardcover  Paperback  Kindle |
| Flashpoint | (2014) | Hardcover  Paperback  Kindle |
Publication Order of The 39 Clues: Doublecross Books
| Mission Titanic | (2015) | Hardcover  Paperback  Kindle |
| Mission Hindenburg | (2015) | Hardcover  Paperback  Kindle |
| Mission Hurricane | (2016) | Hardcover  Paperback  Kindle |
| Mission Atomic | (2016) | Hardcover  Paperback  Kindle |
Publication Order of The 39 Clues: The Cahill Files Books
| Operation Trinity | (2012) | Hardcover  Paperback  Kindle |
| The Submarine Job | (2012) | Hardcover  Paperback  Kindle |
| The Redcoat Chase | (2012) | Hardcover  Paperback  Kindle |
| The Houdini Escape | (2012) | Hardcover  Paperback  Kindle |
| Silent Night | (2012) | Hardcover  Paperback  Kindle |
| Spymasters | (2013) | Hardcover  Paperback  Kindle |
Publication Order of The 39 Clues: Rapid Fire Books
| Legacy | (2011) | Hardcover  Paperback  Kindle |
| Ignition | (2011) | Hardcover  Paperback  Kindle |
| Hunted | (2011) | Hardcover  Paperback  Kindle |
| Crushed | (2011) | Hardcover  Paperback  Kindle |
| Turbulence | (2011) | Hardcover  Paperback  Kindle |
| Invasion | (2011) | Hardcover  Paperback  Kindle |
| Fireworks | (2011) | Hardcover  Paperback  Kindle |
Publication Order of The 39 Clues: Super Special Books
’39 Clues’ is a series of novels compiled by various authors. The books are within the Young Adult / Action genres and have proven to be immensely popular with children, teens and even adults alike. Being primarily angled towarss children, these books are a blend of both entertainment, adventure and educcation.The series ’39 Clues’ has the main characters of Dan and Amy Cahill.