My book talks are coming at you from a librarian, not a reviewer. You won't find me talking about style or craft, why I think this could've been better or what worked or didn't work. I only do book talks on books I liked and want other people to know about. So if it's here I probably think it won't injure your brain if you read it.
The girls use what their parents have taught them to face dangers from the weather, wild animals, and strangers in the woods. With only each other to depend on they keep going, despite the fear that they may be on the only people left alive in a world filling with snow.