Lyra's life is already sufficiently interesting for a novel before she eavesdrops on a presentation by her uncle Lord Asriel to his colleagues in the Jordan College faculty, Oxford. The college, famed for its leadership in experimental theology, is funding Lord Asriel's research into the heretical possibility of the existence of worlds unlike Lyra's own..
Agatha Raisin is lonely. Busy as she is with her detective agency and the meetings of the Carsely Ladies' Society, she still misses her ex-husband, James Lacey. So when he suddenly resurfaces and invites her on holiday at a surprise location, she's ready to go yesterday.