The book is the only one which describes blowguns.
Author explains that usual blowguns in tropical areas and steel wire darts and it's making.
The book has histrical value in study of blowgun. These american type blowgun is different from my sports blowgun. 2.Darts 3.Quiver and Pipe cleaner 4. Pipe bags and case 5. T oday blowgun is still used for hunting in some parts of the world.