(via
kate_nepveu and
rilina)
Isaac Asimov (Foundation series to the bitter end, various Robots books, and others too long ago to detail)
Terry Brooks (Nothing more recent than the Demon trilogy)
John Buchan
Lois McMaster Bujold (Everything)
C. J. Cherryh (Everything except the recent short-story collection)
Bernard Cornwell (All the Sharpe books, The Gallows Thief)
Charles de Lint
Charles Dickens (Everything except Edwin Drood)
Stephen Donaldson (Two Covenant trilogies, Mirror Duology, two short story collections)
Arthur Conan Doyle (All Holmes, Challenger)
David Eddings (Belgariad, Malloreon, Elenium, Tamuli, Belgarath, Polgara. No more!)
C. S. Forester (All Hornblower)
Barbara Hambly (most everything that isn't a tie-in, waiting for latest Ben January in paperback)
Georgette Heyer (All the regencies, I think all the mysteries, most of the historicals.)
P. D. James
Robert Jordan
Ursula Le Guin
Megan Lindholm/Robin Hobb
Anne McCaffrey (Stopped at The Skies of Pern)
Patricia McKillip
Robin McKinley
L. E. Modessit, Jr. (Recluce series, and the Ghost books)
Patrick O'Brian (All Aubrey/Maturin, The Golden Ocean and The Unknown Shore)
Terry Pratchett (All non-YA discworld, Bromeliad, Strata)
Ruth Rendell (Most if not all Wexford, a few others.)
Dorothy Sayers
J. R. R. Tolkien (if LOTR counts as 3)
Anthony Trollope (Barsetshire, and the series that culminates in 'The Duke's Children', sundry others.)
Freda Warrington
Tad Williams
Gene Wolfe
Janny Wurts
Also, but this was a very long time ago and unrecorded, and I haven't actually counted; E. Nesbit, Rosemary Edghill (Eagle of the Ninth, not Eluki bes Shahar), whoever wrote the 'Chalet School' books, Arthur Ransome, possibly William Mayne, Walter Scott
Isaac Asimov (Foundation series to the bitter end, various Robots books, and others too long ago to detail)
Terry Brooks (Nothing more recent than the Demon trilogy)
John Buchan
Lois McMaster Bujold (Everything)
C. J. Cherryh (Everything except the recent short-story collection)
Bernard Cornwell (All the Sharpe books, The Gallows Thief)
Charles de Lint
Charles Dickens (Everything except Edwin Drood)
Stephen Donaldson (Two Covenant trilogies, Mirror Duology, two short story collections)
Arthur Conan Doyle (All Holmes, Challenger)
David Eddings (Belgariad, Malloreon, Elenium, Tamuli, Belgarath, Polgara. No more!)
C. S. Forester (All Hornblower)
Barbara Hambly (most everything that isn't a tie-in, waiting for latest Ben January in paperback)
Georgette Heyer (All the regencies, I think all the mysteries, most of the historicals.)
P. D. James
Robert Jordan
Ursula Le Guin
Megan Lindholm/Robin Hobb
Anne McCaffrey (Stopped at The Skies of Pern)
Patricia McKillip
Robin McKinley
L. E. Modessit, Jr. (Recluce series, and the Ghost books)
Patrick O'Brian (All Aubrey/Maturin, The Golden Ocean and The Unknown Shore)
Terry Pratchett (All non-YA discworld, Bromeliad, Strata)
Ruth Rendell (Most if not all Wexford, a few others.)
Dorothy Sayers
J. R. R. Tolkien (if LOTR counts as 3)
Anthony Trollope (Barsetshire, and the series that culminates in 'The Duke's Children', sundry others.)
Freda Warrington
Tad Williams
Gene Wolfe
Janny Wurts
Also, but this was a very long time ago and unrecorded, and I haven't actually counted; E. Nesbit, Rosemary Edghill (Eagle of the Ninth, not Eluki bes Shahar), whoever wrote the 'Chalet School' books, Arthur Ransome, possibly William Mayne, Walter Scott