Crisis on Conshelf Ten/Hughes, Monica/ISBN 0416899900 (26 copies separate)
Crisis on Conshelf Ten/Hughes, Monica/ISBN 0433392142 (13 copies separate)
Crisis on Conshelf Ten/Hughes, Monica/ISBN 0689305559 (9 copies separate)
Crisis on Conshelf Ten/Hughes, Monica/ISBN 0749702133 (7 copies separate)
Crisis On Conshelf Ten/Hughes, M./ISBN 0416899900 (5 copies separate)
Crisis on Conshelf Ten/Hughes, Monica/ISBN 0749708948 (5 copies separate)
Uhka syvyyksistä/Hughes, Monica/ISBN 9510098264 (5 copies separate)
Havsfolkets dotter/Hughes, Monica/ISBN 9132130562 (4 copies separate)
Crisis on Conshelf Ten/Hughes, Monica/ISBN 0241892112 (3 copies separate)
Uhka syvyyksistä/Hughes, Monica/ISBN 9510098264 (2 copies separate)
Crisis on Conshelf Ten/Hughes, M./ISBN 0416899900 (2 copies separate)
Uhka syvyyksistä/Hughes, Monica (2 copies separate)
Crisis on Conshelf Ten/ISBN 0433392142 (1 copy separate)
Crisis on Conshelf Ten by Monica Hughes (1989-07-31)/Hughes, Monica (1 copy separate)
Crisis on Conshelf Ten/Hughes, Monica (1 copy separate)
Bunt na Konszelfie 10/Hughes, Monica/ISBN 8310078021 (1 copy separate)
Crisis on Conshelf Ten/Monica Hughes/ISBN 0749708948 (no current copies separate)
Crisis on Conshelf Ten/Monica Hughes/ISBN 0433392142 (no current copies separate)
Crisis on conshelf ten/Hughes, Monica/ISBN 0416899900 (no current copies separate)