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..
The third novel in Annie Murray's "Birmingham" series. While Genie's father is away fighting in World War II, her mother has a ruinous affair which leaves her pregnant; Genie's little brother leaves, never to return; while Genie herself meets a man who then disappears to war.