Plismon yn y Castell, Y
The autobiography of Elfyn Williams, a member of the Special Branch police who was on duty during Prince Charles' Investiture at Caernarfon Castle in 1969. He also investigated a number of prominent cases in the latter half of the twentieth century.
Publication Date July 2012
Publisher: Gwasg Carreg Gwalch, Llanrwst
Author: Elfyn Williams
Format: Paperback, 215x138 mm, 160 pages