1. The Rotary Aero Engine
by The Science Museum 
Price: USD 19.50
Dealer: AbebooksUK, ACCESSbooks
Description: ISBN10: 190074712X, ISBN13: 9781900747127, [publisher: Science Museum] Softcover Soft cover. Crisp, clean covers with slightly toned edges. Clean pages. No inscriptions. Tight. [Gateside, FIFE, United Kingdom] [Publication Year: 1999]  

2. The Rotary Aero Engine
by The-science-museum 
Price: USD 24.43
Dealer: AbebooksUK, MusicMagpie
Description: ISBN10: 190074712X, ISBN13: 9781900747127, [publisher: Gardners Books] Softcover [Stockport, United Kingdom] [Publication Year: 1999]  

3. The rotary aero engine
by NAHUM, Andrew 
Price: USD 34.46
Dealer: AbebooksUK, Cotswold Internet Books
Description: ISBN10: 190074712X, ISBN13: 9781900747127, [publisher: Science Museum] Softcover Reprint, 2004. A clean, bright copy [Cheltenham, United Kingdom] [Publication Year: 1987]  

4. The Rotary Aero Engine
by Nahum, Andrew 
Price: USD 40.48
Dealer: Alibris, John C. Newland via Alibris
Description: Science Museum 1987 Hard cover Used-Very Good. VG paperback. Reprint, 2004. A clean, bright copy.