One of the first Eleventh Doctor / Amy books, taking the two to a conglomeration of space junk called the Gyre, where degenerate humans, civilised Arabic-speaking aliens and an interstellar criminal are grappling with a bomb, a comet, and a long-lost technological relic. It’s for younger readers, but pleasing none the less, with Llewellyn keeping a lot of balls in the air and before bringing the story to a satisfactory conclusion.