This is a very comprehensive book that describes braintanning mammals of all sizes, hair on or hair off. This method of tanning was done by primitive people all over the world and is still the most economical way to tan mammal hides and can be done in a survival situation. It describes how to do dry scrape, wet scrape and even the Northwestern Native American method of smoking a hide before braining it. This book goes into great detail on describing how to make the tools you will need including a description of making and using primitive tools. Tanning reptile hides and even bark tanning is described. You have to have this book! And it is only $2 from DESTIN-E BOOKS!