The complete, official Message-Passing Interface Standard MPI-3.1 (September 21, 2012) is now available in one book (hardcover, 868 pages, sewn binding). It is printed and is sold at cost by HLRS. Price is 19.50 Euro or 23.00 US-$ (shipping costs, see below).
For all MPI programmers, the standard can be used as a complete MPI reference manual with many examples and advices to users. With MPI-3.1, a general index was added at the begin of the 21 pages with several indexes, which allow quick finding of all relevant information.
Shipping books:
You can view the content of the book on the official MPI Forum's documents page.