The Complete Book of Running to heart problems, Fixx died of a heart attack after his daily run at age 52, which opened up discussion about the links between running, health, and life expectancy. The Complete Book of Running The Complete Book of Running is a 1977 non-fiction book written by Jim Fixx. The book discusses not only the physical benefits of running, but its psychological benefits as well: increasing self-esteem, acquiring a "high" from running, and being able to cope better with pressure and tension. Jim Fixx was the author of the 1977 best-seller "The Complete Book of Running", which sold over one million
The Complete Guide to Middle-earth of the Rings" film trilogy. "The Complete Guide to Middle-earth" is generally recognised as an excellent reference book on Middle-earth. Christopher Tolkien has commended it himself as an "admirable work of reference". However, as it does not include information on post-"Silmarillion" material (i.e. "Unfinished Tales" and the series "The History of Middle-earth"), the 1978 edition contains some assertions contradicted by later publications. For example, the Star of Elendil jewel (Elendilmir) is identified with the Star of the Dúnedain given to Samwise Gamgee, but Christopher Tolkien refutes this. It also includes speculation on matters later confirmed in subsequent works. For example,