Recommendations based on The Sigma Protocolby Robert Ludlum

* statistically, based on millions of data-points provided by fellow humans

  1. The Hades Factor

    by Robert Ludlum
    A deadly virus threatens to wipe out humanity, and a team of scientists must race against time to find a cure and stop those responsible.

    While in a retrieve operation of a virus in Berlin, the Covert One agent Rachel Russell is double-crossed by two dirty agents; she kills them and escapes, trying to find a hiding place and someone to ... (Wikipedia)

  2. The Bourne Supremacy

    by Robert Ludlum
    An ex-CIA agent must clear his name from charges of espionage and murder.

    In the first book,, The Bourne Identity, , the title character suffers amnesia . Over the course of the book, he regains his memory with the help of a Canadian economist, Marie St Jacques, and ... (Wikipedia)

  3. The Rhinemann Exchange

    by Robert Ludlum
    A WWII spy thriller involving a secret exchange of prisoners between Germany and the US.

    On the eve of the Second World War , David Spaulding, a radio voice actor, is recruited by Colonel Ed Pace to run a secret network in Lisbon . The plot advances to 1943. Both the Allies and the Axis ... (Wikipedia)

  4. Clear and Present Danger

    by Tom Clancy
    CIA analyst Jack Ryan uncovers a covert war against drug cartels in Colombia, leading to a dangerous mission to stop the violence.

    The President of the United States , who is running for reelection, finds a fierce opponent in Ohio Governor J. Robert Fowler, who has rallied the American public behind his administration's failures ... (Wikipedia)

  5. Golden Buddha

    by Clive Cussler
    A thrilling adventure to find a lost statue of immense value, leading to a dangerous chase across the globe.

    In Golden Buddha , Juan Cabrillo embarks on his first mission in, The Oregon Files, (although it is made clear that this is not the first mission for the team through references to other missions and ... (Wikipedia)

  6. Icon

    by Frederick Forsyth
    A Russian icon, stolen from a church, is smuggled into the US and sold to a collector. But it holds a secret that could change the course of history.

    Set between July 1999 and January 2000, the story revolves around Russian presidential candidate Igor Komarov, head of the right-wing Union of Patriotic Forces (UPF). A highly popular and charismatic ... (Wikipedia)

  7. Patriot Games

    by Tom Clancy
    A former CIA analyst must protect his family from domestic terrorists, while thwarting a major international conspiracy.

    A kidnapping attempt on the Prince and Princess of Wales and their infant son occurs at the Mall in London . The attack is orchestrated by members of the Ulster Liberation Army , an ideologically ... (Wikipedia)

  8. Red Storm Rising

    by Tom Clancy
    An all-out war between NATO and the Soviet Union, as seen through the eyes of the soldiers.

    Militants from Azerbaijan destroy an oil production refinery in Nizhnevartovsk , threatening to cripple the Soviet Union's economy due to oil shortages. After much deliberation, the Soviet Politburo ... (Wikipedia)

  9. The Bourne Legacy

    by Eric Van Lustbader
    A continuation of the Bourne series, following a new protagonist as he navigates the dangerous world of espionage and government secrets.

    With the climactic events of, The Bourne Ultimatum, behind him, Jason Bourne is able to once again become David Webb, now professor of linguistics at Georgetown University . However, this serenity ... (Wikipedia)

  10. Black and Blue

    by Anna Quindlen
    A woman's journey of self-discovery, as she escapes an abusive marriage and reclaims her life.

    For eighteen years, Fran Benedetto kept her secret. And hid her bruises. And stayed with Bobby because she wanted her son to have a father. And because, in spite of everything, she loved him. Then ... (Wikipedia)

  11. Nancy Drew: #1-64

    by Carolyn Keene
    Girl detective solves mysteries, faces danger and adventure.

    Nancy Drew has been solving mysteries, and delighting fans, for over 75 years. Now, for the first time, you can purchase all sixty-four classic Nancy Drew titles in one complete set! #1: The Secret ... (Goodreads)

  12. Tai-Pan

    by James Clavell
    Epic tale of struggle for power and control in Hong Kong during the 19th century.

    The novel begins following the British victory of the first Opium War and the seizure of Hong Kong. Although the island is largely uninhabited and the terrain unfriendly, it has a large natural ... (Wikipedia)

  13. The Winds of War

    by Herman Wouk
    The story of a family caught in the middle of World War II and their struggles to survive.

    Like no other masterpiece of historical fiction, Herman Wouk's sweeping epic of World War II is the great novel of America's Greatest Generation. , Wouk's spellbinding narrative captures the tide of ... (Barnes & Noble)

  14. The Rainmaker

    by John Grisham
    A young lawyer's quest to bring justice to a family in need.

    Rudy Baylor is about to graduate from Memphis State Law School . He secures a position with a Memphis law firm , who then loses his job when the firm is bought out by the large Memphis law firm ... (Wikipedia)

  15. Raise the Titanic!

    by Clive Cussler
    A thrilling adventure to find a sunken treasure at the bottom of the ocean.

    In 1987, Dr. Gene Seagram leads the top-secret Pentagon program Meta Section, which secretly attempts to leapfrog current technology by 20 to 30 years. One result: the Sicilian Project, which uses ... (Wikipedia)

  16. The Secret Keeper

    by Kate Morton
    A woman unravels her family's past, uncovering secrets and lies that span generations.

    During a summer party at the family farm in the English countryside, sixteen-year-old Laurel Nicolson has escaped to her childhood tree house and is happily dreaming of the future. She spies a ... (Goodreads)

  17. Firestarter

    by Stephen King
    A young girl with pyrokinetic powers is pursued by a mysterious government agency.

    Andy and Charlene "Charlie" McGee are a father/daughter pair on the run from a government agency known as The Shop. During his college years, Andy had participated in a Shop experiment dealing with ... (Wikipedia)

  18. Time Enough for Love

    by Robert A. Heinlein
    A journey through time and space, exploring the boundaries of love, death and existence.

    The book covers several periods from the life of Lazarus Long (born Woodrow Wilson Smith), an early beneficiary of a breeding experiment designed to increase mankind's natural lifespan. The ... (Wikipedia)

  19. Year of Wonders

    by Geraldine Brooks
    A small English village grapples with the effects of the bubonic plague.

    When an infected bolt of cloth carries plague from London to an isolated village, a housemaid named Anna Frith emerges as an unlikely heroine and healer. Through Anna's eyes we follow the story of ... (Goodreads)

  20. Rendezvous with Rama

    by Arthur C. Clarke
    A mysterious alien spacecraft discovered in the Solar System, explored by a human team.

    After an asteroid falls in Northeast Italy in 2077, creating a major disaster, the government of Earth sets up the Spaceguard system as an early warning of arrivals from deep space. The "Rama" of the ... (Wikipedia)

  21. The Secret in the Old Attic

    by Carolyn Keene
    Nancy Drew investigates a mysterious old attic and uncovers a hidden family secret.

    First published in 1944, this mystery finds Nancy searching for some unpublished musical manuscripts which she believes are hidden in the dark, cluttered attic of a rundown mansion. ... (Goodreads)

  22. Different Seasons

    by Stephen King
    Four novellas exploring the power of morality, justice, and redemption.

    Rita Hayworth and Shawshank Redemption–the most satisfying tale of unjust imprisonment and offbeat escape since The Count of Monte Cristo. Apt Pupil--a golden California schoolboy and an old man ... (Goodreads)

  23. The Lost Duke of Wyndham

    by Julia Quinn
    A case of mistaken identity leads to a duke discovering his true heritage and falling in love with a woman from a different social class.

    WILL THE REAL DUKE OF WYNDHAM PLEASE STAND UP? Jack Audley has been a highwayman. A soldier. And he has always been a rogue. What he is not, and never wanted to be, is a peer of the realm, ... (Goodreads)

  24. Relentless

    by Dean R. Koontz
    A thrilling suspense novel of a detective's pursuit of a sinister mastermind.

    Cullen "Cubby" Greenwich has just released his sixth novel, One O'Clock Jump which is generally well received in the literary community. However, Shearman Waxx, considered to be a preeminent literary ... (Wikipedia)

  25. The Mark of the Assassin

    by Daniel Silva
    CIA agent Michael Osbourne must stop a deadly assassin before he strikes again.

    When a commercial airliner is blown out of the sky off the East Coast, the CIA scrambles to find the perpetrators. A body is discovered near the crash site with three bullets to the face: the calling ... (Goodreads)

  26. Foundation and Empire

    by Isaac Asimov
    A quest to save the Galactic Empire from destruction, featuring advanced science and politics.

    The first half of the book, titled "The General", tells how the enterprising General Bel Riose of the Galactic Empire launches an attack against the Foundation. The Empire still retains far more ... (Wikipedia)

  27. Relic

    by Douglas Preston
    Scientists investigate an ancient secret, hidden deep in the South American jungle.

    In September 1987, Dr. Julian Whittlesey is leading an expedition through the Amazon Basin , in the Brazilian rainforest , in search of the lost Kothoga tribe. He hopes to prove that they still do ... (Wikipedia)

  28. Fierce Kingdom

    by Gin Phillips
    A mother and son are trapped in a zoo during a shooting and must fight for survival.

    The zoo is nearly empty as Joan and her four-year-old son soak up the last few moments of playtime. They are happy, and the day has been close to perfect. But what Joan sees as she hustles her son ... (Goodreads)

  29. SilverFin

    by Charlie Higson
    James Bond's teenage years at Eton, where he uncovers a sinister plot involving a genetically modified villain.

    SilverFin is broken up into three parts in addition to a prologue. In the prologue, an unnamed school boy is attacked by eels, attracted to a bleeding fishhook cut, while fishing in Loch Silverfin. ... (Wikipedia)

  30. The Blue Nowhere

    by Jeffery Deaver
    A hacker helps the police catch a serial killer who uses the internet to select and stalk his victims.

    Jeffery Deaver, New York Times bestselling author of The Skin Collector and The Bone Collector featuring popular forensic detective Lincoln Rhyme, delivers a masterful thriller about a psychotic ... (Barnes & Noble)