James Turner - The Fourth Ghost Book

James Turner - The Fourth Ghost Book (Pan Books, 1968)

Robert Aickman - Just a Song at Twilight
Rosemary Timperley - The Private Torture Chamber
Ronald Blythe - A Bit Simple
Denys Val Baker - The Face in the Mirror
Peter Ford - The Home Stretch
D.G. Compton - Sarah
Ronald Duncan - Consanguinity
Evelyn Fabyan - The Lorraine Cross
Kate Barlay - The Expert
Charles Causley - A Local Haunting (verse)
Alain Danielou - The Game of Dice
Fielden Hughes - ‘Dear Ghost…’
Edward Hyams - Exorcizing Baldassare
Christine Brooke-Rose - On Terms
Paul Tabori - Fear
John Pudney - Ivory Joe
Anthony Rye - Hapladies
William Sansom - A Saving Grace
Jean Stubbs - The Unquiet Spirit
R.W. Thompson - The house by the Water
James Turner - The Guardian
Fred Urquhart - Water Water Wallflower
Rosalind Wade - Averil at Endercombe

Polly Parkin & James Hale - 2nd Bumper Ghost Book

Polly Parkin & James Hale (eds.) - The Second Bumper Book of Ghost Stories (Pan Book, 1978)

The final two Ghost Books (the Twelfth and, appropriately, Thirteenth) were edited by Polly Parkin and James Hale, respectively. Again, Pan issued an omnibus volume:

William Sansom - Preview
Gilbert Phelps - Call a Spade a Spade
Sylvia Sherry - Footsteps
Lance Salway - Undesirable Residence
Albert Rowe - The Question
Rosemary Timperley - Out of Sight, Out of Life
R. Chetwynd-Hayes - Calvunder
Giles Gordon - In Spite of Himself
Dorothy K. Haynes - Matthew Lurk, Tractorman
James Parkhill-Rathbone - A Shade Byronic
Margaret Potter - The Boy on the Bus
Steve Wilson - Ghosts There Must Be With Me in This Old House
Dulan Barber - Cuckoo
Kenneth Harker - Sport of the Oak
Donald E. Westlake - In at the Death
Eva Hanagan - The Uninvited
Peter Tinniswood - The Top Coat
Maria de Selby - Robe’s Mother
H.R.F. Keating - Mr Saul
R.B. Hart - Moving On
Giles Gordon - Horses of Venice
Fay Weldon - Angel, All Innocence
Graham Lord - The Poltergeist
Tom Caslon - Gravedigger

Thanks to Alan Frackelton for providing the contents, note and cover scan!

Aidan Chambers - Bumper Book of Ghost Stories

Aidan Chambers (ed.) - The Bumper Book of Ghost Stories (Pan Books, 1976)

(Omnibus of The Tenth Ghost Book & The Eleventh Ghost Book)

Michael Delving - Recoil
Jean Stubbs - An Evening at the Cromers’
Dorothy K. Haynes - The Fort
L.P. Davies - End Game
Barry Sutton - The Tale of Caseley Halt
George Mackay Brown - Soldier From the War Returning
R. Chetwynd-Hayes - The Coloured Transmission
Peter Dickinson - Mystery Man
Brian Morse - A Jealous Ghost
Joan Aiken - Furry Night
Frederick Bradnum - The Lady of Long Lawns
John Burke - Leave of Absence
Albert Rowe - The Case of Dr A.D. Hunter
Victoria Williams - Rest in Peace
Christopher Leach - Private Meadows
Rosemary Timperley - Little Girl Lost
William Trevor - The Death of Peggy Morrissey
Victoria Williams - Refuge for the Heart
George Mackay Brown: The Pirate’s Ghost
Dorothy K. Haynes - Kiss of Life
Giles Gordon - Peake
John Rowe Townsend - Trying to Connect You
Petronella Breinburg - Na Jorka fo Bekoisi
Brian Morse - Hope Cottages
Frederick Bradnum - Folly
John Burke - The Custodian
Jean Stubbs - The Band in the Park
Christopher Leach - The Trouble With Nathan

Thanks to Alan Frackelton for providing the contents and cover scan!

Rosemary Timperley - The Fifth Ghost Book

Rosemary Timperley - The Fifth Ghost Book (Pan Books, 1971)

Lawrie Wyman - Phantom of the Screen
Winifred Wilkinson - Nothing
James Turner - Double Take
Rosemary Timperley - The Mistress in Black
Avery Taylor - Remember the Roses
Paul Tabori - The Congregation of Rabbi Nachman
Shelley Smith - The Follower
Maggie Ross - The Man Across the River
Jennifer Phillips - Dog in a Chip Shop
Peter Ibbotson - On a Hallowe’en in Suffolk
John Hynam - Four and One More
L.P. Hartley - The Shadow on the Wall
Elizabeth Fancett - When Morning Comes
Richard Davis - A Day Out
Ernest Corbyn - The Tip Off
George Mackay Brown - Mister Scarecrow
Denys Val Baker - The Girl on the Beach
Joan Aiken - The Cold Flame

Thanks to Alan Frackelton for providing the contents and cover scan!