Skip to main content

Out on 02 September 2027

Home
Authors & Illustrators
Ray Celestin
The Unknowns

The Unknowns

Ray Celestin

Ebook Audiobook

Pre-order now

02 September 2027

Imprint: Mantle

Details

02 September 2027

336 pages

9781035019496

Imprint: Mantle

Find us on

About Pan Macmillan
MPIL Gender Pay Report
Diversity, Equity and Inclusion
Technology, AI & Innovation at Pan Macmillan
Macmillan Code of Conduct
Macmillan Code of Ethics for Business Partners
Pan Macmillan Sustainability and Sourcing Policy
Macmillan's Modern Slavery Act Statement
Holtzbrinck UK Tax Strategy Publication
Children’s Books Permissions
Pan Macmillan Accessibility Statement
General Product Safety Regulation
Pan Macmillan Social Media Community Guidelines

Contact us
Careers
Piracy Report
Catalogues
Activity Sheets
UK & ROI Booksellers
International Booksellers
Fraud alert

Pan Macmillan Australia
Pan Macmillan South Africa
Pan Macmillan India

Bluebird
Campbell
Kingfisher
Harriman House
Macmillan
Macmillan Business
Macmillan Children's Books
Macmillan Collector's Library
Mantle
One Boat
Pan
Picador
Tor
Two Hoots

Cookies
Privacy Notice
Terms and Conditions
© 2026 Pan Macmillan

Books by Ray Celestin

Book cover for The Unknowns — The Unknowns

Book cover for Palace of Shadows — Palace of Shadows

Book cover for Sunset Swing — Sunset Swing

Book cover for Dead Man's Blues — Dead Man's Blues

Book cover for The Axeman's Jazz — The Axeman's Jazz

Book cover for The Mobster's Lament — The Mobster's Lament

Books you might like

Book cover for Last One Out — Last One Out
Jane Harper

Book cover for Daisy Darker — Daisy Darker
Alice Feeney

Book cover for Greek Fire — Greek Fire
Winston Graham

Book cover for Bleed — Bleed
Robin Cook

Book cover for Scorpio Rising — Scorpio Rising
Deon Meyer

Book cover for The Winter Guest — The Winter Guest
Sarah Moss

Book cover for The Dispatcher — The Dispatcher
Ryan David Jahn

Book cover for Not A Penny More, Not A Penny Less — Not A Penny More, Not A Penny Less
Jeffrey Archer

Book cover for Last Night in Montreal — Last Night in Montreal
Emily St John Mandel

Book cover for Spasm — Spasm
Robin Cook

Book cover for Below The Deck — Below The Deck
Nikki Allen

Book cover for Mad Mabel — Mad Mabel
Sally Hepworth

Book cover for Headlights — Headlights
CJ Leede

Book cover for New Skin — New Skin
Sarah Wang

Book cover for The Cut Throat Trial — The Cut Throat Trial
The Secret Barrister

Book cover for Mortedant's Peril — Mortedant's Peril
RJ Barker

Book cover for The Sunshine Man — The Sunshine Man
Emma Stonex

Book cover for Dissection of a Murder — Dissection of a Murder
Jo Murray

Book cover for Last One Out — Last One Out
Jane Harper

Book cover for Deadline — Deadline
Steph McGovern