The Secret World: A History of Intelligence

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Secret Knowledge (New and Expanded Edition): Rediscovering the Lost Techniques of the Old Masters

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The Inventor's Secret

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Secrets, Lies, and Consequences: A Great Scholar's Hidden Past and His Protégé's Unsolved Murder

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The Apprentice

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Gutenberg's Apprentice: A Novel

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The Apprentice: My Life in the Kitchen

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What We Inherit: A Secret War and a Family's Search for Answers

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Ranger's Apprentice: The Lost Stories

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The Discoverers: A History of Man's Search to Know His World and Himself

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The Discoverers: A History of Man's Search to Know His World and Himself

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The Storyteller's Secret: A Novel

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The Art of Secrets

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The Art of Secrets

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Bowen Theory's Secrets: Revealing the Hidden Life of Families

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Bowen Theory's Secrets: Revealing the Hidden Life of Families

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Working Backwards: Insights, Stories, and Secrets from Inside

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Working Backwards: Insights, Stories, and Secrets from Inside

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Working Backwards: Insights, Stories, and Secrets from Inside

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Working Backwards: Insights, Stories and Secrets from Inside

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And Now I Spill the Family Secrets: An Illustrated Memoir

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Unearthing Family Tree Mysteries

$28.6

The Less People Know About Us: A Mystery of Betrayal, Family Secrets, and Stolen Identity

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The Secret Stealers: A Novel

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The Secret History

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Edison's Ghosts: The Untold Weirdness of History's Greatest Geniuses

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Caveat Emptor: The Secret Life of an American Art Forger

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The Midwife's Apprentice

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The Hidden Creator

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The Sorcerer's Apprentice

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The Last Lone Inventor: A Tale of Genius Deceit & the Birth of Television

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The Real Work: On the Mystery of Mastery

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The Enigma V (Masterminds)

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Apprentice to the Villain

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The Book of Secrets: A Novel

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The Serial Killer's Apprentice

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Legacy of the Inventor: A Timmi Tobbson Adventure (Solve-Them-Yourself Mysteries Book for Boys and Girls 8-12)

$10.99

Her Hidden Genius: A Novel

$17.5

Her Hidden Genius: A Novel

$14.99

Her Hidden Genius: A Novel

$25.99

The Apprentice: The Complete First Season

$35.77

Revelation: A Memoir of Deep Family Secrets, Discovery, and Identity

$18.95

Epic Stories for Kids and Family: Accidental Discoveries That Changed Our World: Fascinating Origins of Discoveries and Inventions to Inspire Curious Young Readers

$14.18

The True Intrepid - Sir William Stephenson and the Unknown Agents

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Run For Your Life: The remarkable true story of a family forced into hiding after leaking Russian secrets

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Accidental Ethnography: An Inquiry into Family Secrecy (Routledge Education Classic Edition)

$36.99

The Fourth Apprentice: Warriors: Omen of the Stars, Book 1

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The Inventors at No. 8

$6.08

The Family Tree Problem Solver: Tried-and-True Tactics for Tracing Elusive Ancestors

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The Million Dollar Secret Hidden in Your Mind (Condensed Classics): The Lost Classic on How to Control Your oughts for Wealth, Power, and Mastery

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The Apprentices (The Apothecary Series)

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Fooling Houdini: Magicians, Mentalists, Math Geeks, and the Hidden Powers of the Mind

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The Hidden Habits of Genius: Beyond Talent, IQ, and Grit - Unlocking the Secrets of Greatness

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The Hidden Writer

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The Hidden Habits of Genius: Beyond Talent, IQ, and Grit—Unlocking the Secrets of Greatness

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Alan Turing: The Enigma

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THE KEEPERS OF SECRETS: A SciFi Adventure (The Ancient Secrets Book 6)

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The Secret History (Penguin Classics)

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Quareia Apprentice

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Accidental Inventions That Changed Our World: Fascinating Origins of Inventions to Inspire Young Readers (Epic Stories for Kids and Families)

$6.13