151. Secret Days: Codebreaking in Bletchley Park
by Briggs, Asa 
Price: USD 30.14
Dealer: Abebooks, Front Cover Books
Description: ISBN10: 1848326157, ISBN13: 9781848326156, [publisher: Pen Sword Books; 1st Edition (May 1, 2011)] Hardcover [Denver, CO, U.S.A.] [Publication Year: 2011]  

152. Secret Days: Codebreaking in Bletchley Park
by Briggs, Asa 
Price: USD 30.45
Dealer: Alibris, Pieuler LLC via Alibris
Description: Barnsley Frontline Books 2011 Hard cover New. 256 p. Contains: Unspecified. Includes unspecified. 

153. Secret Days: Codebreaking in Bletchley Park: a Memoir of Hut Six and the Enigma Machine
by Asa Briggs 
Price: USD 32.40
Dealer: Alibris, Revaluation Books via Alibris
Description: Frontline Books 2011 Hardcover New 256 pages. 9.33x6.42x1.02 inches. 

154. Secret Days: Codebreaking in Bletchley Park: a Memoir of Hut Six and the Enigma Machine
by Briggs, Asa 
Price: USD 37.28
Dealer: Alibris, Alpha 2 Omega Books via Alibris
Description: Frontline Books 2011 First UK edition-first impression Hardcover Near fine in Near fine jacket Near fine condition. Frontline Books, 2011. First UK edition-first impression. Black hardback (gilt lettering to the spine, two small dents on the edges of the cover) with Dj (two small nicks and creases on the edges of the Dj cover), both in near fine condition. Illustrated with colour, b/w photos, drawings, diagrams. Nice and clean pages as new with two small nicks on the edges of the pages, small ink mark inside the front endpaper. Nice and clean book with light shelf wear inside the edges of the Dj cover. 214oo including List of plates, glossary and abbreviations, selective chronology, index. Price un-clipped.