Pro-Troll publishes two books in hard copy and two books online.  The Downrigger Fishing Techniques book is the most comprehensive and widely read downrigger book ever assembled.  The book is packed with information that will help you choose the right downrigger for your boat.  In addition, it gives you weight recommendations and rigging tricks.

The Black Box Technology book explains the electronic technology and how you can improve your catch by controlling the natural electric voltage around your boat.  The two books online are How to Catch Salmon and How to Catch Kokanee  Go to www.Protroll.com and click on "Salmon Fishing" or "How to Catch Kokanee".