MAA guides series numbering on title page appears as # 49. It should read # 9.
Fundamentals
Ode to the dual space
Hilbert space
The algebra of operators
Banach algebra basics
Topological vector spaces
Distributions
Spectral theory
Convexity
Fixed-point theorems.
A guide to functional analysis by Steven G. Krantz. ISBN 9781614442134. Published by The Mathematical Association of America in 2013. Publication and catalogue information, links to buy online and reader comments.