Princeton, NJ: D. Van Nostrand Company, Inc., 1967.
First Edition. Hardcover. Near fine in a Very Good dust jacket. xvii, 365 pp, with references, index. Very light wear to edges, very light offsetting to endpapers; contents clean, binding sound. Dust jacket shows light shelf wear and a repaired tear to the spine panel. From the dust jacket: "The Purpose of this book about Hilbert space is to use problems and their solutions to communicate to the reader many of the central techniques and ideas of the subject....the problems range from fairly standard textbook material to the boundaries of what is known. The problems are not dull exercises with routine answers. They should be accessible to every serious student but even an expert is likely to find among them illuminating puzzles that give new insights."