| year of publication | ISBN | author(s) | title |
|---|
| 2001 | 978-0-9540378-0-2 | Mike Osborne | 20th Century Defences in Britain: Cambridgeshire |
| 2004 | 978-0-9540378-1-9 | Mike Osborne | 20th Century Defences in Britain: The East Midlands: Derbyshire, Leicestershire, Lincolnshire, Nortamptonshire, Nottinghamshire and Rutland |
| 2007 | 978-0-9540378-2-6 | Michael Bruce Osborne | 20th Century Defences in Britain - The London Area: London Within the M25, Berkshire, Buckinghamshire, Hertfordshire and Oxfordshire |
| 2008 | 978-0-9540378-3-3 | Mike Osborne | 20th Century Defences in Britain: Norfolk |
| '' | 978-0-9540378-4-0 | '' | 20th Century Defences in Britain: Suffolk |
| 2007 | 978-0-9540378-5-7 | Michael Bruce Osborne | 20th Century Defences in Britain - The London Area: London Within the M25, Berkshire, Buckinghamshire, Hertfordshire and Oxfordshire |