After the events of 9/11, he became engaged in the study of a different kind of illusion: the shadowy world of international espionage. (discovermagazine.com)
When Dima asks for their help to deliver classified information to the British Secret Services, Perry and Gail get caught in a dangerous world of international espionage and dirty politics. (deadline.com)
Still, for those who truly relish Eco's mix of philosophical rumination and intellectual intrigue, this wildly imaginative novel about the invention of longitude and its effect on the Renaissance world of international espionage is every bit as deserving of attention as its more famous predecessor. (booklistonline.com)