1. Triumph Experimental: Doug Hele and His Development Team 1962 1975
by Duckworth Mick 
Price: USD 102.53
Dealer: Biblio, Baggins Book Bazaar Ltd
Description: Oxon: Oracle Publishing, Date: 2013. 208pp, b/w and colour illustrated. Blue decorative boards with title in white to dark blue spine. Minor shelfwear, very slight toning to page edges. . Hard Cover. Good. 8vo - over 7¾" - 9¾" tall. 2013. Oracle Publishing ISBN 1907139095 9781907139093 [GB] 

2. Triumph Experimental: Doug Hele and His Development Team 1962 - 1975
by Duckworth, Mick 
Price: USD 104.41
Dealer: AbebooksUK, Baggins Book Bazaar Ltd
Description: ISBN10: 1907139095, ISBN13: 9781907139093, [publisher: Oracle Publishing, Oxon] Hardcover 208pp, b/w and colour illustrated. Blue decorative boards with title in white to dark blue spine. Minor shelfwear, very slight toning to page edges. Size: 8vo - over 7¾" - 9¾" tall [Rochester, KENT, United Kingdom] [Publication Year: 2013]  

3. Triumph Experimental: Doug Hele and His Development Team 1962-1975
by Duckworth, Mick 
Price: USD 110.90
Dealer: Alibris, Baggins Book Bazaar via Alibris
Description: Oxon Oracle Publishing 2013 Hard Cover Good 8vo-over 7¾"-9¾" tall. 208pp, b/w and colour illustrated. Blue decorative boards with title in white to dark blue spine. Minor shelfwear, very slight toning to page edges.