'This book is a modern and comprehensive account of light propagation in aperiodic media. It provides a solid, unified description of the basic theoretical tools and methods, and presents the unique optical properties and applications of aperiodic media, which usually cannot be achieved in traditional periodic and/or random photonic systems. It is an ideal introduction to this interdisciplinary, fascinating research field for graduate students and researchers in physics, electrical engineering, and applied physics.' Felipe Pinheiro, Federal University of Rio de Janeiro