A book of photos 34 high-quality reproductions of photographs of improvising musicians in performance, in black & white and color. Covering a 10-year period, the images capture improvising musicians in performance situations throughout Britain, using only available light and 'non-intrusive' techniques. Subjects include Derek Bailey, Steve Beresford, Will Gaines, Paul Hession, Billy Jenkins, Willi Kellers, John Russell, Mark Sanders, Pat Thomas, Alan Tomlinson, Roger Turner, Phil Wachsmann, Trevor Watts & Alan Wilkinson, in venues ranging from Crawley to Hull. Foreword by Derek Bailey.