Who wrote the seven-book series featuring a titular character Robert Langdon?
Dan Brown
Robert Louis Stevenson
William Faulkner
Robert Louis Stevenson
Edgar Rice Burroughs
William Faulkner
John Updike
Robert Louis Stevenson
Edgar Rice Burroughs
William Faulkner
Harry Turtledove
John Updike
Charles Dickens
Robert Langdon
Robert Louis Stevenson
John le Carré
Edgar Rice Burroughs
Ian Rankin
William Faulkner
Ian Fleming
Harry Turtledove
John Updike
Charles Dickens
Thomas Pynchon
Robert Langdon
Robert Louis Stevenson
Richard Matheson
Ian Rankin
H. Rider Haggard
Harlan Ellison
John le Carré
Harry Turtledove
John Updike
Robert Langdon
Charles Dickens
Thomas Pynchon
William Faulkner
Michael Crichton
Robert Louis Stevenson
Ian Rankin
John Wyndham
John Updike
Robert Langdon
Richard Matheson
Charles Dickens
Thomas Pynchon
Michael Crichton
Robert Louis Stevenson
Ian Rankin
James Patterson
Tom Clancy
Arthur Conan Doyle
Robert Langdon
John Updike
William Golding
Charles Dickens
Thomas Pynchon
Michael Crichton
Robert Louis Stevenson
James Patterson
Stephen King
Ian Rankin
Tom Clancy
Richard Matheson
Robert Langdon
John Updike
Charles Dickens
Paul Auster
Thomas Pynchon
James Patterson
Stephen King
Ian Rankin
Joseph Conrad
Tom Clancy
Philip Roth
Robert Louis Stevenson
Robert Langdon
Jack London
Jonathan Lethem
James Patterson
William Golding
John Updike
Stephen King
Thomas Pynchon
Philip Roth
Richard Matheson
Charles Dickens
Tom Clancy
Ian Rankin
Tom Wolfe
Robert Langdon
Robert Louis Stevenson
Jack London
Joseph Conrad
Graham Greene
James Patterson
Stephen King
George Orwell
Jonathan Lethem
J.P. Morgan
Philip Roth
Arthur Ransome
Joseph Heller
Tom Clancy
Jack London
Robert Langdon
James Patterson
Stephen King
Michael Chabon
Robert Louis Stevenson
George Orwell
Jonathan Lethem
Peter Carey
Robert Louis Stevenson.
William Golding
Philip Roth
Joseph Heller
Jack London
Tom Clancy
Tom Wolfe
Charles Dickens
Robert Langdon
James Patterson
Stephen King
Graham Greene
George Orwell
Jonathan Lethem
Philip Roth
Robert Louis Stevenson
William Golding
Richard Matheson
Jack London
Henry James
Robert Louis Stevenson.
Jonathan Franzen
James Patterson
Robert Langdon
Stephen King
Philip Roth
Philip Pullman
Robert Louis Stevenson
Jack London
Henry James
Tom Wolfe
J.P. Morgan
James Patterson
Stephen King
Robert Langdon
Robert Louis Stevenson.
Jonathan Franzen
Philip Roth
Robert Langdon, Jr
Jack London
Henry James
Robert Langdon.
Richard Matheson
James Patterson
Stephen King
Philip Roth
Robert Langdon, Jr
George MacDonald
Jack London
Henry James
Robert Langdon.
John Updike.
James Patterson
Stephen King
Robert Louis Stevenson.
Tom Wolfe
Philip Roth
Jack London
Thomas Pynchon.
Robert Louis Stevenson
James Patterson
Stephen King
Robert Langdon.
Robert Langdon
Philip Roth
Robert Langdon, Jr
John Updike.
Jack London
James Patterson
Stephen King
Ian Rankine
Tom Wolfe
Robert Langdon.
Anthony Powell
Philip Roth
Robert Langdon, Jr
Robert Louis Stevenson.
Anthony Powell
Robert Langdon Smith
Charles Dickens.
Thomas Pynchon.
Robert Langdon Smith
Ian Rankine
Robert Louis Stevenson.
Charles Dickens.
Robert Langdon.
Ian Rankine
Henry James, Jr.