I've found STORMSURE www.stormsure.com to be more reliable than tape or cloth kits for a permanant repair. It's available from marine stores. Sellotape the outside rip and apply stormsure to the inside. Remove sellotape when the 'glue' has set.
Is this any help? Had a quick look at the book in Nevis Sport, FortWilliam - and it looked very good.
Scottish Canoe Touring Where can I go canoeing. Find the answers right here, with 128 great canoe and kayak trips and 11 cross-Scotland routes in a unique guide for those seeking gentler waters. This guide is aimed at those looking for calmer waters - rivers, canals, inland lochs and sheltered sea lochs. Routes described cater for all tastes, from those seeking an idyllic afternoon's paddle to those looking for a multi-day canoe -camping expedition. £14.95