Who wrote the longest running series for books?
Terry Pratchett
Agatha Christie
Edgar Rice Burroughs
Agatha Christie
Harry Turtledove
Edgar Rice Burroughs
Agatha Christie
William Faulkner
H. P. Lovecraft
Arthur C. Clarke
Harry Turtledove
Edgar Rice Burroughs
Robert Louis Stevenson
Agatha Christie
William Faulkner
Edgar Allan Poe
Harry Turtledove
H. G. Wells
Jules Verne
H.P. Lovecraft
Harlan Ellison
Edgar Rice Burroughs
Charles Dickens
Robert Louis Stevenson
Arthur C. Clarke
Agatha Christie
William Faulkner
Neil Gaiman
Theodore Sturgeon
H. P. Lovecraft
H.G. Wells
J.D. Salinger
H. Rider Haggard
Harry Turtledove
Harlan Ellison
Jules Verne
Charles Dickens
Robert Louis Stevenson
Stephenie Meyer
Thomas Pynchon
Agatha Christie
Edgar Allan Poe
Neil Gaiman
William Faulkner
Arthur C. Clarke
Edgar Rice Burroughs
Theodore Sturgeon
H. G. Wells
Harlan Coben
Harry Turtledove
H. Rider Haggard
Louisa May Alcott
Harlan Ellison
Robert Louis Stevenson
Stephenie Meyer
JK Rowling
Arthur Conan Doyle
Jules Verne
Thomas Pynchon
Charles Dickens
Agatha Christie
William Faulkner
Edgar Rice Burroughs
Stephen King
Theodore Sturgeon
Harlan Coben
Jane Austen
Arthur C. Clarke
Harlan Ellison
Harry Turtledove
H. Rider Haggard
Robert Louis Stevenson
JK Rowling
Arthur Conan Doyle
Thomas Pynchon
Charles Dickens
Agatha Christie
John Updike
William Faulkner
L. Frank Baum
Stephen King
Michael Crichton
Jane Austen
Edgar Rice Burroughs
Harlan Ellison
Theodore Sturgeon
Harry Turtledove
Robert Louis Stevenson
JK Rowling
Margaret Atwood
Thomas Pynchon
Charles Dickens
Arthur C. Clarke
Stephen King
John Updike
Agatha Christie
H. Rider Haggard
William Faulkner
Jane Austen
Arthur Conan Doyle
H.P.Lovecraft
Edgar Rice Burroughs
James Patterson
Edgar Rice Burroughs.
Michael Crichton
Harlan Ellison
Harry Turtledove
L. Frank Baum
Harlan Coben
Mary Shelley
Robert Louis Stevenson
Margaret Atwood
JK Rowling
Stephen King
Thomas Pynchon
Charles Dickens
Arthur C. Clarke
Agatha Christie
Agatha Christie.
Jane Austen
William Golding
James Patterson
H. Rider Haggard
Jack London
Edgar Rice Burroughs
Harlan Ellison
Harry Turtledove
Stephen King
JK Rowling
Arthur Conan Doyle
Thomas Pynchon
Edgar Rice Burroughs.
Anne Rice
Robert Louis Stevenson
L. Frank Baum
James Patterson
Agatha Christie
Jack London
William Golding
Arthur C. Clarke
George Orwell
Stephen King
Philip Pullman
Harry Turtledove.
Agatha Christie.
Harry Turtledove
H. Rider Haggard
Harlan Ellison
Arthur Conan Doyle
James Patterson
Robert Louis Stevenson
Jack London
William Golding
Agatha Christie
Arthur C. Clarke.
George Orwell
Stephen King
L. Frank Baum
Philip Pullman
Arthur C. Clarke
Harry Turtledove
Anne Rice
Edgar Rice Burroughs.
Robert Louis Stevenson.
James Patterson
Edgar Allan Poe.
Jack London
George MacDonald
William Golding, Jr.
Robert Louis Stevenson
Agatha Christie.
Stephen King
George Orwell
Harry Turtledove.
William Golding
Harry Turtledove
James Patterson
William Faulkner.
Jack London
Arthur C. Clarke
George MacDonald
Stephen King
Edgar Rice Burroughs.
Clive Barker
Anne Rice
Robert Louis Stevenson.
Agatha Christie.
James Patterson
Jack London
Harry Turtledove
William Golding
Stephen King
Harry Turtledove.
Arthur C Clarke
Arthur C. Clarke.
George MacDonald
James Patterson
Jack London
J.K Rowling
Stephen King, Jr.
Harry Turtledove