It’s 2027 and Turkey has joined the European Union. In an old tekke in Istanbul, six people find their lives intertwined around a plot involving nanotechnology, the Nabucco gas pipeline, and the arcane secrets of the mellified man. There is a lovely echo between microcalligraphy and encoding information on junk DNA. It’s Ian McDonald’s best disciplined novel so far, I think, with all the lush description and present tense intensity that we are used to, but somehow coming together rather beautifully. Nic Clarke has a longer review of it here