David Solomonss zany inimitable wit makes for a series of capers that are thrilling and satisfying. The Guardian A sinister school where graduation means death . . . A monstrous mystery lurking below a quiet London street . . . A desperate plea for help delivered by . . . hang on. A potted plant The Doctor has been summoned. The galaxy is in terrible danger and only a Time Lord can save it. But to do so she must break in to an ancient vault on a remote and frozen world from which nobody has Paperback softback