Walker, David, Jiu jitsu for all : yellow belt to green belt / David Walker ; photography by Richard Gouling. - London : A. & C. Black, 2008. - 176 p. : col. ill. ; 24 cm. Includes index. ISBN: 9780713683462 (pbk.) : 0713683465 (pbk.) : £16.99 Nat. Bib. Agency Control No.: 014493288 Uk Subjects--Topical Terms: Jiu-jitsu. Dewey Class. No.: 796.8152