Doctor Who: Vengeance on Varos: 6th Doctor Novelisation Unabridged edition

Martin Jarvis reads this exciting novelisation of a classic TV adventure for the Sixth Doctor, introducing the slug-like Sil. The TARDIS has stalled in mid-flight, and it is only on the planet Varos that the Doctor can find the precious Zeiton-7 ore he needs to continue his travels through Time and Space.