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Operation Trinity

Clifford Riley · back to the book

What’s in it

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24 books with the same feel

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❤️

Into the Gauntlet

Margaret Peterson Haddix

The explosive finale! Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet-a task no Cahill dared to i

Treasure Maps and CodesTreasure HuntBrothersSisters
❤️

The Dead of Night

Peter Lerangis · 190 pages

| The third book in the CAHILLS VS. VESPERS series, the follow up to the worldwide bestseller THE 39 CLUES. | | The Vespers have crossed a line. Amy and Dan were devastated when the Vespers kidnapped seven Cahills around the world, holding them hostage until Amy and Dan delivered an impossible ransom. But at least the hostages were Cahills - members of the world's most powerful family, trained

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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Storm Warning

Linda Sue Park · 190 pages

The shadow of the man in black has followed fourteen-year-old Amy Cahill and her younger brother Dan on their worldwide search for 39 Clues that lead to a great power. The man has tried to kill them and he is a Madrigal, as were their parents. And now the man is ready to step out of the darkness for their final confrontation.

Treasure HuntTreasure Maps and CodesMiddle GradeBrothers
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Beyond the Grave

Jude Watson · 192 pages

Treasure HuntTreasure Maps and CodesMiddle GradeBrothers
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Day of Doom

David Baldacci · 273 pages

The Ultimate Sacrifice It started with a kidnapping. A shadowy organisation known only as the Vespers snatched seven members of the Cahill family and demanded a series of bizarre ransoms from around the world. Thirteen-year-old Dan Cahill and his older sister, Amy, began a global treasure hunt, determined to bring back whatever Vesper One needed, so long as it kept the hostages safe. But whe

Treasure Maps and CodesBrothersMiddle GradeSisters
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Vespers Rising

Rick Riordan, Gordon Korman, Peter Lerangis, Jude Watson

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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Countdown

Natalie Standiford · 194 pages

With Amy and Dan still in pursuit of Pierce, Amy does something unthinkable that sends shockwaves through her family.

Treasure HuntBrothersMiddle GradeSisters
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Over Sea, Under Stone

Susan Cooper · 252 pages

On holiday in Cornwall, the three Drew children discover an ancient map in the attic of the house that they are staying in. They know immediately that it is special. It is even more than that -- the key to finding a grail, a source of power to fight the forces of evil known as the Dark. And in searching for it themselves, the Drews put their very lives in peril. This is the first volume of Susan

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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The Emperor's Code

Gordon Korman · 190 pages

Amy and Dan are separated while trying to retrieve a clue which is guarded by thousands of soldiers and worry they cannot succeed apart.

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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If You're Reading This, It's Too Late

Pseudonymous Bosch · 385 pages

Beware! Dangerous secrets lie between the pages of this book. OK, I warned you. But if you think I'll give anything away, or tell you that this is the sequel to my first literary endeavor, The Name of This Book is Secret, you're wrong. I'm not going to remind you of how we last left our heroes, Cass and Max-Ernest, as they awaited intiation into the mysterious Terces Society, or the ongoing fight

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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The Expeditioners and the Treasure of Drowned Man's Canyon

S.S. Taylor · 375 pages

Can three orphaned siblings with half a map beat an oppressive government to a secret, gold-filled canyon? Set in a future where the hacking of computers and depletion of natural resources has caused a return to steam and clockwork engines, Taylor's novel crosses dystopian and steampunk genres in this fast-paced, plot-driven tale. Explorer Alexander West smuggled half a map to his children and th

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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The Maze of Bones

Rick Riordan · 220 pages

Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: You have a choice - one million dollars or a clue. Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 39 clues hidden around the world will reveal the family's sec

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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Treasure Hunters: Danger Down The Nile

James Patterson, Chris Grabenstein · 480 pages

Treasure HuntTreasure Maps and CodesMiddle GradeAdventure
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The Black Circle

Patrick Carman · 176 pages

Treasure HuntTreasure Maps and CodesMiddle GradeAdventure
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The Codex

Douglas Preston · 396 pages

The mysterious disappearance of treasure hunter and adventurer Maxwell Broadbent--along with his riches--sends his three sons on a search for their father, who has hidden himself and his treasures, in order to claim their inheritance.

Treasure Maps and CodesTreasure HuntAdventureBrothers
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The Goonies

James Kahn, Steven Spielberg · 189 pages

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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Book Scavenger

Jennifer Chambliss Bertman · 368 pages

For twelve-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is

Treasure Maps and CodesTreasure HuntMiddle GradeFast-Paced
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Seizure

Kathy Reichs, Brendan Reichs

Ever since Tory Brennan and her friends rescued Cooper, a kidnapped wolf pup with a rare strain of canine parvovirus, they've turned from regular kids into a crime-solving pack! But now the very place that brought them together - the Loggerhead Island Research Institute - is out of funding and will have to shut down. That is, unless the Virals can figure out a way to save it!

Treasure Maps and CodesTreasure HuntAdventureFast-Paced
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The Atlantis Code

Charles Brokaw · 583 pages

When the ancient ruins of Atlantis are discovered along the Spanish coast, linguist and archaeologist Thomas Lourds joins a violent competition to be the first of its explorers, an effort marked by a series of puzzles that must be solved in order to gainentry into the lost civilization.

Treasure Maps and CodesTreasure HuntAdventureFast-Paced
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The Quest of the Missing Map

Carolyn Keene · 178 pages

The eighteen-year-old girl detective must find a man who has been missing for years in order to locate the other half of a treasure map.

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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Hide and Seek

Kate Messner · 256 pages

For five hundred years the Jaguar Cup, sacred to the Silver Jaguar Society, was hidden in a cave on the coast of Costa Rica--so when a fake copy shows up on display in America, it is up to Anne, José, and Henry, junior members of the Society, to travel to Costa Rica and rescue the real cup from thieves.

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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The Templar Legacy

Steve Berry · 504 pages

Treasure Maps and CodesTreasure HuntFast-PacedAdventure
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The Treasure Hunters Club

Sean McCartney · 214 pages

After stopping an evil treasure hunter from combining the powers of good and evil, Tommy Reed and the Treasure Hunters Club, have been trying to navigate the comical world of middle school. Things take a turn when a mysterious girl appears and the Club soon discovers she has the key to an unbreakable code protecting a treasure lost for over two hundred years and worth thirty million dollars. But t

Treasure Maps and CodesTreasure HuntMiddle GradeAdventure
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Daughter of the Siren Queen

Tricia Levenseller · 364 pages

Alosa's mission is finally complete. Not only has she recovered all three pieces of the map to a legendary hidden treasure, but the pirates who originally took her captive are now prisoners on her ship. Still unfairly attractive and unexpectedly loyal, first mate Riden is a constant distraction, but now he's under her orders.

Treasure Maps and CodesTreasure HuntAdventureFast-Paced

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