Fontana Cover Cavalcade day 2

Here's a second small batch of Fontana covers, recent additions for previous galleries featuring the works of Alistair MacLean and Ngaio Marsh.

South by Java Head by Alistair MacLean
Fontana Books 457, 1961. Cover by John L. Baker

Surfeit of Lampreys by Ngaio Marsh
Fontana Books 538, 1961.

Fear is the Key by Alistair MacLean
Fontana Books 790, 1963. Cover by John L. Baker?