Boing Boing reader Tom Fassbender says: "On June 10, 2012 (one year ago) I embarked on a 13-day solo hike of the 212-mile John Muir Trail. My memories of those days are still very vivid. To commemorate, I'm posting my trail journal, one day at a time, with photos, warts and all."
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects