1. The title is slightly misleading as I thought it would talk about karate specifically, whereas virtually all martial arts are discussed. The evolution of martial arts from Bodhidharma arriving at the Shaolin temple is important, however I felt the author goes into too much detail in a 'karate' book.
2. I was expecting the various styles of karate (shotokan, wado-ryu, goju-ryu etc.) and their history discussed (as they are briefly in Official Karate by David Mitchell), which they are not.
3. Karate in Hawaii and the USA is discussed in detail, however there is little mention of Europe and other non-Asian countries, which are surely important.
4. The author's view seems to be that karate should only be practised by those university educated, and teaching the 'layman' will result in him/her ultimately using the martial art criminally.
5. The author states Funakoshi only taught karate to college students in Tokyo, but from what I can gather from his autobiography he taught whoever was interested to make ends meet as times were so hard.