There are 4 books in the The Lewis Trilogy series. The newest book is The Black Loch which came out in 2024.

1
The Blackhouse

Book cover of The Blackhouse

BOOK ONE IN THE MILLION-SELLING LEWIS TRILOGY.
A SUNDAY TIMES BESTSELLER. A RICHARD & JUDY PICK.
WINNER OF THE USA'S BARRY AWARD FOR BEST NOVEL OF THE YEAR.

PETER MAY: THE MAN WHO BROUGHT MURDER TO THE OUTER HEBRIDES
'One of the best regarded crime series of recent years' Independent…

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2
The Lewis Man

Book cover of The Lewis Man

THE SUNDAY TIMES BESTSELLING SEQUEL TO THE BLACKHOUSE
BOOK TWO IN THE MILLION-SELLING LEWIS TRILOGY
'One of the best regarded crime series of recent years' Independent

A MAN WITH NO NAME

An unidentified corpse is recovered from a Lewis peat bog; the only clue to its identity being a DNA…

3
The Chessmen

Book cover of The Chessmen

THE 12 MILLION COPY BESTSELLING AUTHOR OF THE ENZO FILES AND THE CHINA THRILLERS
AWARD WINNING AUTHOR OF THE CWA DAGGER IN THE LIBRARY 2021

'One of the best regarded crime series of recent years.' Independent
'No one can create a more eloquently written suspense novel than Peter May.' New…

4
The Black Loch

Book cover of The Black Loch

THE RETURN OF FIN MACLEOD, PETER MAY'S MUCH-LOVED HERO OF THE INTERNATIONAL BESTSELLING LEWIS TRILOGY.

A MURDER

The body of eighteen-year-old TV personality Caitlin is found abandoned on a remote beach at the head of An Loch Dubh - the Black Loch - on the west coast of the Isle…