The Lhari seem peaceful and friendly, but they go to some lengths to protect their monopoly on faster-than-light travel. One young man is sent to discover their secrets.
The first edition lists this as "A Juvenile Science Fiction Novel"
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1963 |
|
The Colors of Space | Monarch Books (USA) | Novel | 5 |
| March 1965 |
|
Das Rätsel der achten Farbe | Pabel | Novel | 3 |
| 1983 |
|
The Colors of Space | Starblaze / The Donning Company | Novel | 1 |
| September 1983 |
|
The Colors of Space | Timescape / Pocket Books | Novel | 9 |
| September 1983 |
|
The Colors of Space | Timescape / Pocket Books | Novel | 9 |
| May 1986 | Die Farben des Alls | Bastei Lübbe | Novel | ||
| October 1987 |
|
Die Farben des Alls | Bastei Lübbe | Novel | |
| October 1988 |
|
The Colors of Space | Starblaze / The Donning Company | Novel | |
| April 1989 |
|
The Colours of Space | Lightning | Novel | |
| February 1994 |
|
Die Farben des Alls | Bastei Lübbe | Novel | |
| December 1998 |
|
Die Farben des Alls | Bastei Lübbe | Novel | |
| March 2007 | The Colors of Space | Project Gutenberg | Novel | ||
| July 2007 |
|
The Colors of Space | Tutis Digital Publishing Pvt. Ltd. | Novel | |
| July 2007 |
|
The Colors of Space | LibriVox | Novel | |
| October 2007 | The Colors of Space (abridged) | Project Gutenberg | Novel | ||
| August 2008 |
|
The Colors of Space | Phoenix Pick | Novel | |
| March 2009 |
|
The Colors of Space | Wilder Publications | Novel | |
| July 2009 |
|
The Colors of Space | Jimcin Recordings | Novel | |
| March 2010 |
|
The Colors of Space | World Science Fiction Classics | Novel | |
| May 2010 | The Colors of Space | Wildside Press | Novel | ||
| June 2011 |
|
The Colors of Space | Spastic Cat Press | Novel | |
| September 2011 |
|
The Colours of Space | Gateway / Orion | Novel | |
| September 2011 |
|
The Colors of Space | CreateSpace | Novel | |
| November 2011 |
|
The Colors of Space | LibriVox | Novel | |
| January 2013 |
|
The Colors of Space | Speculative Science Fiction Audiobooks / Brilliance Audio | Novel | |
| February 2014 |
|
The Colors of Space | Spoken Realms | Novel | |
| February 2015 |
|
The Colors of Space | Wilder Publications | Novel | |
| December 2015 |
|
Marion Zimmer Bradley Super Pack | Positronic Publishing | Collection | |11 |
| December 2015 |
|
Marion Zimmer Bradley Super Pack | Positronic Publishing | Collection | |11 |
| 2016 |
|
The Colors of Space | IDB Productions | Novel | |
| March 2016 |
|
Marion Zimmer Bradley Super Pack | Start Publishing | Collection | |11 |
| October 2016 |
|
The Colors of Space | Speculative Science Fiction Audiobooks / Brilliance Audio | Novel | |
| August 2017 |
|
The Colors of Space | Audioliterature | Novel | |
| March 2018 |
|
Marion Zimmer Bradley Super Pack | Positronic Publishing | Collection | |11 |
| June 2018 |
|
The Marion Zimmer Bradley Science Fiction Megapack | Wildside Press | Omnibus |