NEW and unused! Any good streamer pattern can be tied as a tandem. But very few people bother to tie tandems. They feel that the patterns are to difficult to tie. But that isn't true. It is true that there are a few more steps involved, but the end result is a beautiful workable pattern that will catch fish and fisherman.The book consist of 24 eastern patterns that have been used for years. All Streamers in the book are tied by Robert M. Young. Mr. Young was born in 1922 and grew up in Maine. The book has just 7 pages but it worth having as a reference. Buyer pays $2.00 for shipping.