Collections
Tracklist
| You Shouldn't Do That | 16:15 | |
| You Know You're Only Dreaming | 6:47 | |
| Master Of The Universe | 6:35 | |
| We Took The Wrong Step Years Ago | 4:56 | |
| Adjust Me | 5:58 | |
| Children Of The Sun | 4:08 |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| X In Search Of Space (LP) | United Artists Records | UAG 29202 | UK | 1971 | |
| X In Search Of Space (LP) | United Artists Records | UAS 5567 | US | 1971 | |
| X In Search Of Space (LP) | United Artists Records | UAG 29202 | France | 1971 | |
| X In Search Of Space (LP, Album) | Liberty | LBG 29202 | UK | 1971 | |
| X In Search Of Space (LP, Album) | United Artists Records | SUAL-934417 | Australia | 1971 | |
| In Search Of Space (CD, Album) | One Way Records (USA), CEMA Special Markets | CDLL-57474 | Canada | 1991 | |
| X In Search Of Space (CD, Album) | EMI | 752025-2 | UK | 1991 | |
| X In Search Of Space (CD, Album, RM, Dig) | EMI Records | 7243 8 37553 2 5 | UK | 1996 | |
| X In Search Of Space (LP) | Simply Vinyl (S12) | SVLP 266 | UK | 2000 | |
| X In Search Of Space (CD, Album, RM) | EMI Records | 7243 5 30030 2 9 | UK | 2001 | |
| X In Search Of Space (LP, RE) | Fame | FA 3192 | UK |