Some of the titles listed refer to the name of a series comprising many books.  Some are books in a series that is best read in order.  Below is a collection of book series in order.

The Lord of the Rings by JRR Tolkien
1.       The Fellowship of the Ring
2.       The Two Towers
3.       The Return of the King
 
A Dance to the Music of Time by Anthony Powell
1.       A Question of Upbringing
2.       A Buyer's Market
3.       The Acceptance World
4.       At Lady Molly's
5.       Casanova's Chinese Restaurant
6.       The Kindly Ones
7.       The Valley of Bones
8.       The Soldier's Art
9.       The Military Philosophers
10.   Books Do Furnish a Room
11.   Temporary Kings
12.   Hearing Secret Harmonies
 
In Search of Lost Time by Marcel Proust
1.       Swann's Way (Du côté de chez Swann)
2.       In the Shadow of Young Girls in Flower / Within a Budding Grove (À l'ombre des jeunes filles en fleurs)
3.       The Guermantes Way (Le Côté de Guermantes)
4.       Sodom and Gomorrah / Cities of the Plain (Sodome et Gomorrhe)
5.       The Prisoner / The Captive (La Prisonnière)
6.       The Fugitive / The Sweet Cheat Gone / Albertine Gone (Albertine disparue / La Fugitive)
7.       Finding Time Again / Time Regained / The Past Recaptured (Le Temps retrouvé)
 
The Neapolitan Novels by Elena Ferrante
1.       My Brilliant Friend
2.       The Story of a New Name
3.       Those Who Leave and Those Who Stay
4.       The Story of the Lost Child
 
The Alexandria Quartet by Lawrence Durrell
1.       Justine
2.       Balthazar
3.       Mountolive
4.       Clea
 
The Hunger Games by Suzanne Collins
1.       The Hunger Games
2.       Catching Fire
3.       Mockingjay
 
Twilight by Stephenie Meyer
1.       Twilight
2.       New Moon
3.       Eclipse
4.       Breaking Dawn
 
Harry Potter by JK Rowling
1.       Harry Potter and the Philosopher's Stone
2.       Harry Potter and the Chamber of Secrets
3.       Harry Potter and the Prisoner of Azkaban
4.       Harry Potter and the Goblet of Fire
5.       Harry Potter and the Order of the Phoenix
6.       Harry Potter and the Half-Blood Prince
7.       Harry Potter and the Deathly Hallows
 
Rabbit series by John Updike
1.       Rabbit, Run
2.       Rabbit Redux
3.       Rabbit Is Rich
4.       Rabbit at Rest
5.       Rabbit Remembered
 
Sherlock Holmes by Sir Arthur Conan Doyle
Novels
1.       A Study in Scarlet
2.       The Sign of the Four
3.       The Hound of the Baskervilles
4.       The Valley of Fear
Short story collections
1.       The Adventures of Sherlock Holmes
2.       The Memoirs of Sherlock Holmes
3.       The Return of Sherlock Holmes
4.       His Last Bow: Some Later Reminiscences of Sherlock Holmes
5.       The Case-Book of Sherlock Holmes
 
Millennium series by Stieg Larsson
1.       The Girl with the Dragon Tattoo
2.       The Girl Who Played with Fire
3.       The Girl Who Kicked the Hornets' Nest
By David Lagercrantz
4.       The Girl in the Spider's Web
5.       The Girl Who Takes an Eye for an Eye
 
A Song of Ice and Fire by George RR Martin
1.       A Game of Thrones
2.       A Clash of Kings
3.       A Storm of Swords
4.       A Feast for Crows
5.       A Dance with Dragons
 
The Discworld Series by Terry Pratchett
1.       The Colour of Magic
2.       The Light Fantastic
3.       Equal Rites
4.       Mort
5.       Sourcery
6.       Wyrd Sisters
7.       Pyramids
8.       Guards! Guards!
9.       Eric
10.   Moving Pictures
11.   Reaper Man
12.   Witches Abroad
13.   Small Gods
14.   Lords and Ladies
15.   Men at Arms
16.   Soul Music
17.   Interesting Times
18.   Maskerade
19.   Feet of Clay
20.   Hogfather
21.   Jingo
22.   The Last Continent
23.   Carpe Jugulum
24.   The Fifth Elephant
25.   The Truth
26.   Thief of Time
27.   The Last Hero
28.   The Amazing Maurice and his Educated Rodents
29.   Night Watch
30.   The Wee Free Men
31.   Monstrous Regiment
32.   A Hat Full of Sky
33.   Going Postal
34.   Thud!
35.   Wintersmith
36.   Making Money
37.   Unseen Academicals
38.   I Shall Wear Midnight
39.   Snuff
40.   Raising Steam
41.   The Shepherd's Crown
 
Regeneration Trilogy by Pat Barker
1.       Regeneration
2.       The Eye in the Door
3.       The Ghost Road
 
The Sword of Honour Trilogy by Evelyn Waugh
1.       Men at Arms
2.       Officers and Gentlemen
3.       Unconditional Surrender
 
Fortunes of War by Olivia Manning
Balkan Trilogy
1.       The Great Fortune
2.       The Spoilt City
3.       Friends And Heroes
Levant Trilogy
1.       The Danger Tree
2.       The Battle Lost And Won
3.       The Sum Of Things
 
Earthsea series by Ursula K Le Guin
1.       A Wizard of Earthsea
2.       The Tombs of Atuan
3.       The Farthest Shore
4.       Tehanu
5.       The Other Wind
 
USA Trilogy by John Dos Passos
1.       The 42nd Parallel
2.       1919
3.       The Big Money
 
To The Ends of the Earth trilogy by William Golding
1.       Rites of Passage
2.       Close Quarters
3.       Fire Down Below
 
The Cairo Trilogy by Naguib Mahfouz
1.       Palace Walk
2.       Palace of Desire
3.       Sugar Street
 
Alexander Trilogy by Mary Renault
1.       Fire from Heaven
2.       The Persian Boy
3.       Funeral Games
 
The Chronicles of Narnia by CS Lewis
Publication order
1.       The Lion, the Witch and the Wardrobe
2.       Prince Caspian
3.       The Voyage of the Dawn Treader
4.       The Silver Chair
5.       The Horse and His Boy
6.       The Magician's Nephew
7.       The Last Battle
Chronological order
1.       The Magician's Nephew
2.       The Lion, the Witch and the Wardrobe
3.       The Horse and His Boy
4.       Prince Caspian
5.       The Voyage of the Dawn Treader
6.       The Silver Chair
7.       The Last Battle
 
The Chronicles of Barsetshire by Anthony Trollope
1.       The Warden
2.       Barchester Towers
3.       Doctor Thorne
4.       Framley Parsonage
5.       The Small House at Allington
6.       The Last Chronicle of Barset

The Palliser novels by Anthony Trollope
1.       Can You Forgive Her?
2.       Phineas Finn
3.       The Eustace Diamonds
4.       Phineas Redux
5.       The Prime Minister
6.       The Duke's Children

The Forsyte Saga by John Galsworthy
1.       The Man of Property
2.       Indian Summer of a Forsyte
3.       In Chancery
4.       Awakening
5.       To Let

Strangers and Brothers by CP Snow
Publication order
1.       George Passant (first called Strangers and Brothers)
2.       The Light and the Dark
3.       Time of Hope
4.       The Masters
5.       The New Men
6.       Homecomings
7.       The Conscience of the Rich
8.       The Affair
9.       Corridors of Power
10.   The Sleep of Reason
11.   Last Things
Chronological order
1.       Time of Hope
2.       George Passant (first called Strangers and Brothers)
3.       The Conscience of the Rich
4.       The Light and the Dark
5.       The Masters
6.       The New Men
7.       Homecomings
8.       The Affair
9.       Corridors of Power
10.   The Sleep of Reason
11.   Last Things

The Hornblower novels by CS Forester
1.       The Happy Return
2.       A Ship of the Line
3.       Flying Colours
4.       The Commodore
5.       Lord Hornblower
6.       Mr. Midshipman Hornblower
7.       Lieutenant Hornblower
8.       Hornblower and the Atropos
9.       Hornblower in the West Indies
10.   Hornblower and the Hotspur
11.   Hornblower and the Crisis

The Swann saga by RF Delderfield
1.       God is an Englishman
2.       Theirs was the Kingdom
3.       Give Us This Day

The Raj Quartet by Paul Scott
1.       The Jewel in the Crown
2.       The Day of the Scorpion
3.       The Towers of Silence
4.       A Division of the Spoils

The Clayhanger novels by Arnold Bennett
1.       Clayhanger
2.       Hilda Lessways
3.       These Twain
4.       The Roll-Call

The Aubrey–Maturin series by Patrick O'Brian
1.       Master and Commander
2.       Post Captain
3.       HMS Surprise
4.       The Mauritius Command
5.       Desolation Island
6.       The Fortune of War
7.       The Surgeon's Mate
8.       The Ionian Mission
9.       Treason's Harbour
10.   The Far Side of the World
11.   The Reverse of the Medal
12.   The Letter of Marque
13.   The Thirteen Gun Salute
14.   The Nutmeg of Consolation
15.   Clarissa Oakes
16.   The Wine-Dark Sea
17.   The Commodore
18.   The Yellow Admiral
19.   The Hundred Days
20.   Blue at the Mizzen
21.   The Final Unfinished Voyage of Jack Aubrey
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The New York Trilogy by Paul Auster
1.       City of Glass
2.       Ghosts
3.       The Locked Room

Border Trilogy by Cormac McCarthy
1.       All the Pretty Horses
2.       The Crossing
3.       Cities of the Plain

Twenty Thousand Streets Under the Sky by Patrick Hamilton
1.       The Midnight Bell
2.       The Siege of Pleasure
3.       The Plains of Cement

A Series of Unfortunate Events by Lemony Snicket
1.       The Bad Beginning
2.       The Reptile Room
3.       The Wide Window
4.       The Miserable Mill
5.       The Austere Academy
6.       The Ersatz Elevator
7.       The Vile Village
8.       The Hostile Hospital
9.       The Carnivorous Carnival
10.   The Slippery Slope
11.   The Grim Grotto
12.   The Penultimate Peril
13.   The End

My Struggle by Karl Ove Knausgard
1.       A Death in the Family: My Struggle Book 1
2.       A Man In Love: My Struggle Book 2
3.       Boyhood Island: My Struggle Book 3
4.       Dancing in the Dark: My Struggle Book 4
5.       Some Rain Must Fall: My Struggle Book 5
6.       The End: My Struggle Book 6
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