| 
by David E StevensPaperback details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-692-40222-1 ISBN-10: 0-692-40222-5 Cambridge Free Press · 2015  | 
| See also (possibly by other authors): | ||
| 2016 | Paperback | Impact (Outer Earth) | 
| 2016 | Paperback | Impact 3 | 
| 2016 | Mass Market Paperback | Impact (Outer Earth) | 
| 2016 | Paperback | Impact 4 | 
| 2016 | Paperback | Impact 1 | 
| 2016 | Paperback | Impact 2 (British English) (Impact (British English)) | 
| 2016 | Paperback | Impact 3 (British English) | 
| 2016 | Paperback | Impact 1 (British English) | 
| 2015 | Hardcover | Impact X | 
| 2013 | Paperback | Impact | 
| 2010 | Mass Market Paperback | Impact (Wyman Ford Series) | 
| 2010 | Paperback | Impact | 
| 2010 | Paperback | Impact (Wyman Ford) | 
| 2010 | Hardcover | Impact (Wyman Ford Series) | 
| 2010 | Paperback | Impact | 
| 2009 | Audio CD | Impact | 
| 2001 | Paperback | Impact (Dover Civil and Mechanical Engineering) | 
| 1999 | Paperback | Impact (Impact) | 
| Paperback | Impact (High Impact) | |
| Paperback | Impact 4 (British English) | |