Baker, J – “Modern Barbel Baits And Tactics” 1st ed 2001 S/b, Waddington, R – “Waddington On Salmon” 1st ed 1991, H/b, D/j, 3 x Fishkeepers Guides, Koi, Marine Fishes and Cold Water Fishes plus 3 others by Harris, Davies and Takeshita.(9)