In 2014, I made my it my new year's resolution to hike every trail in San Francisco. After exploring the city's trails and blogging about it, my experience turned into a book deal with Mountaineers Books for Urban Trails San Francisco . I spent most of 2015 and the first half of 2016 writing, editing, and finalizing my book, which finally came out on November 15, 2016. Since that time, I've been a ble to t ake some time off. After all that work, it 's also been fun to do book some book talks and to see my book in stores. View of the Golden Gate Bridge from Buena Vista Park But now, a few months after publication, I feel myself itching for another goal or quest to keep me occupied for 2017. I wanted my goal to be a challenge, but also achievable. And I wanted it to be a way to learn more about San Francisco. Finally, after about a month and a half of 2017, going by I finally came up with an idea: this year, I will climb every hill in San Francisco. Now climb...