Penguin presents the unabridged, downloadable, audiobook edition of The Sea Detective by Mark Douglas-Home, read by David Monteath.

Cal McGill is an Edinburgh-based oceanographer, environmentalist and one-of-a-kind investigator.

Using his knowledge of the waves - ocean currents, prevailing winds, shipping records - McGill can track where objects came from, or where they've gone. It's a skill that can help solve mysteries ranging from disappearances to murder.

Two severed feet wash up on two different islands off the coast of Scotland. Forensics shows that the feet belong to the same body. As Cal McGill investigates, he unravels a web of corruption, exploitation and human trafficking, which threatens many lives across the globe - including his own...

Praise for The Sea Detective:

'Raises the bar for Scottish crime fiction ... elegantly written and compelling'
The Scotsman

'Excellent'
The Literary Review - top five crime books of the year

'Promises to be a fine series of detective novels'
Sunday Times Crime Book of the Month

'An unusual, interesting and enthralling read'
Shotsmag

'A compelling protagonist'
The Times Literary Supplement