m r · Martin A. Ratcliffe · Martin R. · Martin S. Ratcliffe
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| State of the Universe 2007: New Images, Discoveries, and Events | 978-0-387-34178-1 (0-387-34178-1) | 2006 |
| State of the Universe 2008: New Images, Discoveries, and Events | 978-0-387-71674-9 (0-387-71674-2) | 2007 |
| State of the Universe: New Images, Discoveries, and Events | 978-1-4939-5045-4 (1-4939-5045-2) | 2016 |