We are witnessing, especially in Europe, an unprecedented flowering of academic institutions, strong clinical teams and research groups in the field of auditory rehabilitation. The major European audiology centers have contributed to this excellent book, which fills a substantial gap in the field of cochlear implants. "Cochlear Implant Essentials" represents a compilation of the best basic research, design and development, and clinical concepts related to the hearing of deaf children and adults. It provides an excellent overview and detailed information on all important aspects starting with basic research, highlighting clinical programs, and includes rehabilitation and long-term results. This interdisciplinary publication is very useful and valuable for all experts in the field of otolaryngology, audiology, education, physiology, rehabilitation, speech and language pathology and engineers.