Even though this book is older (published in 1964!) it's an excellent source for what kendo actually "is." It has basic coverage of techniques and actual tournament play and practice, and has very good coverage on etiquette and philosophy (in fact, unmatched coverage of these), but lacks in many other areas (such as kendo kata, and a good description of zanshin). This was my first kendo book (and in fact the only one available at the time) and I found it an excellent starting point (and very interesting reading) but as far as a reference goes, Kendo: The Definitive Guide is much more up to date and comprehensive. That's not to say that this book shouldn't be in your library; I still believe that this should be the first book ANY aspiring or established kendoist owns.