The idea of a clever and thrilling adventure in Egypt is great one. The lure is cast with Learner's title, however this is misdirection. Although the novel is, for the most part, set in Egypyt and there has clearly been some research conducted, there are no pyramids, no Sphinx and little adventure. The first half, as the characters and the mysterious plot are developed has a great air of intrigue, slowly tilting from science to spiritualism, a journey the protagonist is not keen to make. However the story soon becomes stale and the last third fails to gel with the book so far in terms of content, even though some of the intrigue remains. Sphinx could have been so much more, as it is though it's a run-of-the-mill story which fires at two genres and misses both marks.