Click to expand Tap to zoom Crum: The Viol Rules by Corda 6 reviews Save £-19.00 £19.00 | / SKU CMVR1 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to Basket Simply the best book for beginner viol players, this ring-bound book tells you everything you need to know to get started on the viol, with numerous examples and handy tips.