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The Bletchley Riddle

Ruta Sepetys · back to the book

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24 books with the same feel

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Map of Bones

James Rollins · 540 pages

The bestselling master of astonishing adventure James Rollins delivers his most relentlessly exciting page-turner to date -- a gripping and explosive novel of an ancient conspiracy to create a terrifying new world order out of the ashes of modern civilization.The crime is inhumanly cruel with horrific consequences both unthinkable and inevitable. During a service at a cathedral in Cologne, Germany

Treasure Maps and CodesPuzzles and RiddlesShort ChaptersEspionage
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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 CodesPuzzles and RiddlesShort ChaptersPlot-Driven
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Digital Fortress

Dan Brown · 431 pages

When the NSA’s most classified technological wonder–an invincible code-breaking machine–encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant and beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage… not by guns or bombs, but by a code so ingeniously complex that

Puzzles and RiddlesTreasure Maps and CodesShort ChaptersEspionage
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The Face on the Milk Carton

Caroline B. Cooney · 188 pages

After recognizing the photo of the little girl listed as missing on the milk carton, 15-year-old Janie Johnson’s life is forever changed as she struggles to balance loyalty with doing what is right.

Short ChaptersTeenagersPlot-DrivenTeen Protagonist
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Pretty Little Liars

Sara Shepard · 304 pages

Everyone has something to hide—especially high school juniors Spencer, Aria, Emily, and Hanna. Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. Hanna uses some ugly tricks to stay beautiful. But they've all kept an even bigger secret since their friend Alison vanished. How do I know? Because I know everything about the

Short ChaptersPlot-DrivenTeenagersTeen Protagonist
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Beneath a Scarlet Sky

Mark T. Sullivan · 460 pages

World War IIShort ChaptersPlot-DrivenEspionage
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The City of Ember

Jeanne DuPrau · 270 pages

The film tie-in edition to this gripping and intriguing thriller set in an all-too-possible future. Now a major blockbuster starring Bill Murray, Tim Robbins and Liz Smith.Many hundreds of years ago, the city of Ember was created by the Builders to contain everything needed for human survival. It worked - but now the storerooms are almost out of food, crops are blighted, corruption is spreading th

Treasure Maps and CodesPuzzles and RiddlesTeenagersPlot-Driven
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The Maze Runner

James Dashner · 375 pages

When Thomas wakes up in the lift, the only thing he can remember is his first name. His memory is blank. But he's not alone. When the lift's doors open, Thomas finds himself surrounded by kids who welcome him to the Glade--a large, open expanse surrounded by stone walls. Just like Thomas, the Gladers don't know why or how they got to the Glade. All they know is that every morning the stone do

Puzzles and RiddlesShort ChaptersTeenagersTeen Protagonist
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A Good Girl's Guide to Murder

Holly Jackson · 400 pages

Everyone is talking about A Good Girl's Guide to Murder! With shades of Serial and Making a Murderer this is the story about an investigation turned obsession, full of twists and turns and with an ending you'll never expect. Everyone in Fairview knows the story. Pretty and popular high school senior Andie Bell was murdered by her boyfriend, Sal Singh, who then killed himself. It was all anyo

Short ChaptersPuzzles and RiddlesTeenagersPlot-Driven
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Thirteen Reasons Why

Jay Asher · 288 pages

Clay Jenkins returns home from school to find a mysterious box with his name on it lying on his porch. Inside he discovers 13 cassette tapes recorded by Hannah Baker—his classmate and crush—who committed suicide two weeks earlier.On tape, Hannah explains that there are thirteen reasons why she decided to end her life. Clay is one of them. If he listens, he'll find out how he made the list.Through

Short ChaptersPuzzles and RiddlesPlot-DrivenTeen Protagonist
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The Inheritance Games

Jennifer Lynn Barnes · 389 pages

Avery Grambs has a plan for a better future: survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why -- or even who Tobias Hawthorne is. To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where e

Puzzles and RiddlesTreasure Maps and CodesTeen ProtagonistYoung Adult
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The Alexandria Link

Steve Berry · 609 pages

Cotton Malone retired from the high-risk world of elite operatives for the U.S. Justice Department to lead the low-key life of a rare-book dealer. But his quiet existence is shattered when he receives an anonymous e-mail: "You have something I want. You're the only person on earth who knows where to find it. Go get it. You have 72 hours. If I don't hear from you, you will be childless." His horrif

Treasure Maps and CodesPuzzles and RiddlesEspionagePlot-Driven
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Never Never

Colleen Hoover, Tarryn Fisher · 400 pages

No 1 New York Times bestselling author of Hopeless joins forces with the New York Times bestselling author of Mud Vein. Together, they have created a gripping, romantic tale unlike any other. "How odd to be made of flesh, balanced on bone, and filled with a soul you've never met." Charlize Wynwood and Silas Nash have been best friends since they could walk. They've been in love since the age of fo

Short ChaptersPlot-DrivenTeenagersTense and Suspenseful
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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 CodesPuzzles and RiddlesShort ChaptersPlot-Driven
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Cryptonomicon

Neal Stephenson · 918 pages

Neal Stephenson hacks into the secret histories of nations and the private obsessions of men, decrypting with dazzling virtuosity the forces that shaped this century. In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the US Navy - is assigned to Detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have

Treasure Maps and CodesWorld War IIEspionagePlot-Driven
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The Black Circle

Patrick Carman · 176 pages

Puzzles and RiddlesTreasure Maps and CodesShort ChaptersPlot-Driven
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Hornet Flight

Ken Follett · 518 pages

Ken Follett follows his bestsellers Jackdaws and Code to Zero with an extraordinary novel of early days of World War II...It is June 1941 and the war is not going well for England. Across the North Sea, eighteen-year-old Harald Olufsen takes a shortcut on the German-occupied Danish island of Sande an discovers an astonishing sight that will change the momentum of the war. He must get word to Engla

World War IIEspionagePlot-DrivenTeen Protagonist
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The Last Templar

Raymond Khoury · 464 pages

Treasure Maps and CodesPuzzles and RiddlesPlot-DrivenTense and Suspenseful
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The Rise of Nine

Pittacus Lore · 360 pages

Short ChaptersTeenagersPlot-DrivenTeen Protagonist
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Witch & Wizard

James Patterson, Gabrielle Charbonnet · 336 pages

**Your books, music, and art - BANNED** *You are holding an urgent and vital narrative that reveals the forbidden truth about these perilous times...* This is the astonishing testimonial of Wisty and Whit Allgood, a sister and brother who were torn from their family in the middle of the night, slammed into prison, and accused of being a witch and wizard. They are not alone in their terrif

Short ChaptersTeenagersPlot-DrivenTeen Protagonist
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Don't Judge a Girl by Her Cover

Ally Carter · 272 pages

TeenagersPlot-DrivenTeen ProtagonistEspionage
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The Case of the Missing Marquess

Nancy Springer · 216 pages

When Enola Holmes, sister to the detective Sherlock Holmes, discovers her mother has disappeared, she quickly embarks on a journey to London in search of her. But nothing can prepare her for what awaits. Because when she arrives, she finds herself involved in the kidnapping of a young marquess, fleeing murderous villains, and trying to elude her shrewd older brothers—all while attempting to piece

Treasure Maps and CodesPuzzles and RiddlesTeen ProtagonistHistorical Fiction
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The Eight

Katherine Neville · 579 pages

A woman who enjoys chess for a hobby is offered the chance to collect the pieces of a very old chess service, which when all of the pieces are reassembled, gives the players a game of unlimited power.

Puzzles and RiddlesTreasure Maps and CodesPlot-DrivenHistorical Fiction
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Enigma

Robert Harris · 384 pages

England 1943. Much of the infamous Nazi Enigma code has been cracked. But Shark, the impenetrable operational cipher used by Nazi U-boats, has masked the Germans' movements, allowing them to destroy a record number of Allied vessels. Feeling that the lives of Allied sailors are in their hands, a top-secret team of British cryptographers works feverishly around the clock to break Shark. And when br

Puzzles and RiddlesWorld War IIEspionageHistorical Fiction
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