This book by Caroline Claus and A.I.R laboratory in Warsaw serves as an introduction to the topic of urban sound studies. It presents the current concepts and terminology used in the field of sound studies, as well as experimental techniques for studying and experiencing urban soundscapes. Learning about these tools is useful for artistic and scientific activities related to sound design. The book offers multi-layered strategies to model the sonic tissue of the city: from ephemeral artistic interventions, to spatial development plans.