This hardcover textbook titled “Cardiac Clinics A Mayo Clinic Monograph” by Fredrick A. Willius is a rare and valuable find for those interested in the field of cardiology. It was published in 1941 by C V Mosby Company in the United States and contains 275 pages of illustrated content, making it a perfect addition to any collection. The book is a first edition and is written in English. It covers a variety of topics related to cardiology and is a great resource for students and professionals alike. Whether you’re looking to expand your knowledge in this field or simply add to your bookshelf, this textbook is definitely worth considering.