More than 100,000 copies of wilderness basics have been sold over the years, and this new edition will continue as a training staple for those wanting to build their outdoor skills. Updates to this new edition include: outdoor ethics — latest leave no trace practices conditioning — completely rewritten, with targeted advice for certain health conditions outfitting — updates on planning your pack weight, water treatment methods, expanded tent and sleeping system info foods and cooking — new information on how to not dirty a pot, in-the-bag cooking, and dutch oven cooking navigation — completely updated, including information on adjusted declination compasses backcountry first aid — the latest wilderness first aid info, first aid kit materials, and information on the hantavirus and west nile virus winter adventures — added information on predicting changes in backcountry weather