"ISBN 978-1-84435-481-8"@en . . "4.7"^^ . . . . . "Relative Dimensions"@en . . . "BFPDWCDMG031"@en . . . . "Eighth Doctor"@en . . "1"^^ . . "2190.0"^^ . "Prisoner of the Sun"@en . "Big Finish Productions"@en . . . . . . . "Christmas is a time for family, they say \u2014 which is why the Doctor has invited his grand-daughter Susan and great-grandson Alex for Christmas dinner in his time and space machine. But who, or what, is the spectre at their yuletide feast? Venturing deep into the dark heart of the TARDIS, Susan uncovers her past, Alex is told his future \u2014 and the Doctor finds himself caught in a deadly dangerous present!"@en . "Relative Dimensions (audio story)"@en . . . . "The Resurrection of Mars"@en . . . . . . . "Christmas is a time for family, they say \u2014 which is why the Doctor has invited his grand-daughter Susan and great-grandson Alex for Christmas dinner in his time and space machine. But who, or what, is the spectre at their yuletide feast? Venturing deep into the dark heart of the TARDIS, Susan uncovers her past, Alex is told his future \u2014 and the Doctor finds himself caught in a deadly dangerous present!"@en .