The product is a textbook titled “Vertigo : Its Multisensory Syndromes” published by Springer London, The Limited in 1999. Authored by Thomas Brandt, this hardcover book is part of the Clinical Medicine and the Nervous System Ser. It covers subjects related to neurology, internal medicine, and otorhinolaryngology, with a focus on vertigo and its multisensory aspects. The textbook is 503 pages long and includes revised features, making it a valuable resource for adult education and further education in the field of medicine.