Guest reviewer Phil Bowker takes a closer look at a new book published this month by Crickhowell and District Archive Centre. Written by Elizabeth Siberry, Ryland Wallace and Eliane Wigzell The Great Houses of Crickhowell the book recounts the fascinating histories of five local mansions - Cwrt y Gollen; Gwernvale; Dan y Parc; Llangattock Park; and Glanusk