Do you feel like you need a field guide for survival?
The outdoors can be a dangerous place. You can protect yourself with experience and weapons like in the Expendables.
The action movie has a lot of grit. The cast includes Sylvester Stalone, Jason Statham, Jet Li, Jean-Claude Van Damme, and Randy Couture.
Each person will need about 2 gallons of water per day.
You can build a shelter like this:
More about how to keep them sharp.
Animals may attack. Are you prepared?
You can look for tracks in the mud to identify big game like mountain lions and bears.