The Extreme Notebook by Rite in the Rain is waterproof, tearproof, and bloodproof. It’s made of synthetic DuraRite paper-and has reference pages for wind, water, snow, and climbing, including whitewater river ratings and river emergency signals. $7.95. Shown here with the All-Weather pen, $7.95. RiteintheRain.com ; (253) 922-5000.