Jacques Futrelle (1875-1912) is widely considered "the American Sherlock Holmes" for his series of stories about Professor Augustus S. F. X. Van Dusen, who is better known as The Thinking Machine. Van Dusen, a master of logic, believed he could think himself out of any situation — and solve any crime — using his immense intellect. Through dozens of stories, The Thinking Machine solved locked-room puzzles, kidnappings, and more murders than can be easily counted, proving again and again that brain-power is the answer to any problem.

This volume collects 47 short stories and novels, including many stories featuring The Thinking Machine. Assembled here are:

THE THINKING MACHINE
MY FIRST EXPERIENCE WITH THE GREAT LOGICIAN
THE GREAT AUTO MYSTERY
THE HAUNTED BELL
THE LEAK
THE PROBLEM OF CELL 13
THE MYSTERY OF THE RALSTON BANK BURGLARY
MYSTERY OF THE SCARLET THREAD
A PIECE OF STRING
PROBLEM OF THE CRYSTAL GAZER
THE FATAL CIPHER
PROBLEM OF THE PERFECT ALIBI
KIDNAPPED BABY BLAKE, MILLIONAIRE
PROBLEM OF THE LOST RADIUM
PROBLEM OF THE MISSING NECKLACE
THE PHANTOM MOTOR
PROBLEM OF CONVICT NO. 97
THE FIRST PROBLEM
PROBLEM OF THE GREEN EYED MONSTER
PROBLEM OF THE HIDDEN MILLION
PROBLEM OF THE OPERA BOX
PROBLEM OF THE CROSS MARK
PROBLEM OF THE BROKEN BRACELET
PROBLEM OF THE SOUVENIR CARDS
PROBLEM OF THE SUPERFLUOUS FINGER
THE CASE OF THE SCIENTIFIC MURDERER
PROBLEM OF THE DESERTED HOUSE
MYSTERY OF THE FLAMING PHANTOM
PROBLEM OF THE GHOST WOMAN
MYSTERY OF THE GOLDEN DAGGER
THE GRINNING GOD
MYSTERY OF THE GRIP OF DEATH
THE JACKDAW
MYSTERY OF THE MAN WHO WAS LOST
THE MYSTERY OF A STUDIO
PROBLEM OF THE ORGAN GRINDER
\ PROBLEM OF THE PRIVATE COMPARTMENT
THE PROBLEM OF THE AUTO CAB
PROBLEM OF THE RED ROSE
THE ROSWELL TIARA
THE THREE OVERCOATS
THE TRAGEDY OF THE LIFE RAFT
PROBLEM OF THE VANISHING MAN
PROBLEM OF THE INTERRUPTED WIRELESS
THE CHASE OF THE GOLDEN PLATE
THE DIAMOND MASTER
ELUSIVE ISABEL

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