After devouring the cycle of the star Pandora trilogy and empty, although the imagination Hamiltonian is always waiting for you I admit I struggled to hang on this time in the plot of this book that has not bad bad patches (without pun) and not enough charismatic characters. However, I still consider Hamilton as a new master of the SF levels of Isaac Asimov able to create possible new universe for mankind through the power of imagination and scientific extrapolation of the most recent discoveries of science and the space exploration. Recommended for fans, for others rather start with the star Pandora and the trilogy of empty ...