The Dutch Shoe Mystery (Ellery Queen Detective, #3)

Ellery Queen drops in to Dutch Memorial Hospital for a quick visit with his old friend, Medical Director Dr. John Minchen. Minchen gives him a tour, and invites him to stay and observe an operation on the hospital's benefactor, Abby Doorn. Ellery takes a seat in the operating theatre's gallery. The patient is brought in, but something is wrong. She is dead, garroted with wire.