151. Secret Days
by Briggs ,Asa 
Price: USD 25.99
Dealer: AbebooksUK, powellbooks Somerset UK.
Description: ISBN10: 1848326157, ISBN13: 9781848326156, [publisher: Frontline Books,, Uk] Hardcover First Edition A First Person Account Of Life At Bletchley Park During The Second World War.Boards ,Binding Text Block And Dust Jacket Are All Square Tight And Clean ,Price Includes 2Nd Class Postage Uk Only [Ilminster, SOM, United Kingdom] [Publication Year: 2012]  

152. Secret Days
by Briggs, A. S. A. 
Price: USD 25.99
Dealer: AbebooksUK, Anytime Books
Description: ISBN10: 1848326157, ISBN13: 9781848326156, [publisher: Frontline, UK] Hardcover Memoir of Brigg's days in cryptography at Bletchley Park. pp.ix.202. Illus. DW brodarted. [London, United Kingdom] [Publication Year: 2011]  

153. Secret Days
by Briggs, Asa 
Price: USD 5.20
Dealer: AbebooksUK, Merandja Books
Description: ISBN10: 1848326157, ISBN13: 9781848326156, [publisher: Frontline Books, London] Hardcover A hardback book with both book and jacket in fine condition, dated 2012. Code-breaking in Bletchley Park. [Cornwall, United Kingdom] [Publication Year: 2012]  

154. Secret Days
by Briggs, asa 
Price: USD 15.59
Dealer: AbebooksUK, The Deva Bookshop
Description: ISBN10: 1848326157, ISBN13: 9781848326156, [publisher: Frontline Books] Hardcover Hardcover. Condition: Near Fine. Dust Jacket Condition: Near Fine. Large 8v0, Hardback with unclipped dust jacket. XIX + 202 Pages, Illustrations. A near fine copy in likewise jacket. Extra postage may apply for overseas orders. [Chester, United Kingdom] [Publication Year: 2011]