A superb and deeply interesting book, Microcavities, will appeal to the novice and the seasoned researcher interested in the physics of exciton-polaritons alike. The topic is presented in a simple, clear yet exhaustive fashion gathering all the essential achievements in the field. In a nutshell, this book bridges the distance between solid state physics, Bose-Einstein condensation and quantum optics, drawing a perfect connection line among these disciplines. Daniele Sanvitto, Institute of Nanotechnology - CNR, Italy sakriti opis