"This novel covers the time from Merlin's sixth year until he becomes a young man." It is set in the British Isles and Brittany, not long after the Roman departure from Great Britain (5th century). Variant title "Merlin of the Crystal Cave" is that of its adaptation as a 1991 BBC television series. --Wikipedia
| Year | Award | Category | Status |
|---|---|---|---|
| 1971 | Mythopoeic Award | Mythopoeic Fantasy Award | Winner |
| 2012 | Locus Online | 20th Century Fantasy Novel | Nominee/Finalist |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1970 |
|
The Crystal Cave | Hodder & Stoughton | Novel | |
| 1970 | The Crystal Cave | Doubleday | Novel | ||
| July 1970 | The Crystal Cave | William Morrow / BCE | Novel | ||
| July 1970 |
|
The Crystal Cave | William Morrow | Novel | |
| 1971 | Flammender Kristall | Molden | Novel | ||
| 1971 |
|
The Crystal Cave | Hodder & Stoughton | Novel | |
| July 1971 |
|
The Crystal Cave | Fawcett Crest | Novel | 10 |
| July 1971 |
|
The Crystal Cave | Fawcett Crest | Novel | 9 |
| 1977 |
|
The Crystal Cave | Coronet | Novel | |
| August 1977 |
|
The Crystal Cave | Fawcett Crest | Novel | |
| 1979 |
|
The Crystal Cave | Coronet | Novel | |
| 1980 |
|
Mary Stewart's Merlin Trilogy | William Morrow | Omnibus | 1 |
| July 1980 |
|
The Crystal Cave | Fawcett Crest | Novel | |
| 1983 | The Crystal Cave | Coronet | Novel | ||
| October 1983 |
|
The Crystal Cave | Fawcett Crest / Ballantine | Novel | 10 |
| September 1984 |
|
The Crystal Cave | Fawcett Crest / Ballantine | Novel | |
| 1985 |
|
De kristallen grot | Het Spectrum | Novel | |
| 1989 |
|
Flammender Kristall / Der Erbe | Heyne | Omnibus | |1 |
| 1989 |
|
The Crystal Cave; The Hollow Hills; Wildfire at Midnight; Airs Above the Ground | Heinemann, Secker and Warburg, Octopus Books | Omnibus | |
| November 1991 |
|
Merlin of the Crystal Cave | Coronet Books | Novel | |
| 1992 |
|
De kristallen grot | Het Spectrum | Novel | |
| February 1992 | The Crystal Cave | Fawcett Crest / Ballantine | Novel | 10 | |
| August 1996 |
|
The Crystal Cave | Fawcett Columbine / Ballantine | Novel | |
| May 2003 |
|
The Crystal Cave | Eos / HarperCollins | Novel | |
| 2004 |
|
The Crystal Cave | Eos / HarperCollins | Novel | |
| September 2004 |
|
The Merlin Trilogy | Eos / HarperCollins | Omnibus | |
| January 2006 |
|
La grotte de cristal | Calmann-Lévy | Novel | |
| March 2006 |
|
The Crystal Cave | Hodder Paperbacks | Novel | |
| September 2008 |
|
The Crystal Cave | Paw Prints | Novel | |
| February 2012 |
|
The Crystal Cave | Hodder Paperbacks | Novel | |
| 2016 |
|
The Crystal Cave | Eos / HarperCollins | Novel | |10 |
| October 2016 |
|
The Crystal Cave | Blackstone Audio | Novel | |
| October 2016 |
|
The Crystal Cave | Blackstone Audio | Novel | |
| November 2016 |
|
The Crystal Cave | Hodder Paperbacks | Novel |