The product is a textbook titled "Selected Papers of Professor M. Gazi Yasargil" by the renowned neurosurgeon himself. Published in 1986, the book contains 146 pages and is in trade paperback format. With a focus on neurology, this collection of papers by Professor Yasargil is a valuable resource for students and professionals in the field. The book weighs 0.905 lbs, making it a manageable and informative read for those interested in the complexities of neurological surgery. SOME LIGHT STAINS AND SOME WAVINESS TO PAGES FROM WATER DAMAGE. ALL PAGES EASILY READABLE. SEE IMAGES.