I am delighted to be a science and author guest of honour at Ad Astra 2017, which will be taking place this coming weekend at the Sheraton Parkway North Toronto. Volunteer-run, non-profit cons like Ad Astra are made possible by the tremendous efforts of many dedicated and hardworking people. I am grateful to Emmy McAlonen, Marco Marrocco, Amy De Ruyte and the entire concom. My programming schedule can be found here. It’s going to be a terrific weekend!