There are 3 books in the New York Trilogy series. The newest book is The Locked Room which came out in 1986.

2
Ghosts

Ghosts
A fiction writer compiles his essays and interviews with such literary greats as Franz Kafka, Samuel Beckett, Paul Celan, and more in a book that calls attention to the dangerous stakes of writing and undermines accepted notions about literature.

3
The Locked Room

The Locked Room
When Fanshawe disappears, his wife, Sophie, contacts the narrator in hopes that he, one of Fanshawe's childhood friends, can solve the mystery