The "Williams Obstetrics, 25th Edition" by F. Gary Cunningham, Kenneth J. Leveno, Catherine Y. Spong, and Steven L. Bloom is a comprehensive textbook focusing on the subject area of gynecology and obstetrics. Published by McGraw-Hill Medical Publishing Division in 2018, this hardcover book contains 1344 pages and is a valuable resource for medical students, residents, and practicing healthcare professionals. With detailed information presented in English, this textbook covers a wide range of topics within the field of obstetrics and is an essential addition to any medical library.