My book on woodland and shade tolerant wild flowers covers about 170 species. It is full of colour photos by myself and some words of wisdom? also by myself. the r.r.p. is £20 but it is available from all major suppliers, Waterstones, Blackwells, Amazon (if you must) but also at local bookshops/FoD heritage centre and direct from the publishers Merlin Unwin in Ludlow.