This weekly travel inspiration is for everyone graduating college this month or otherwise navigating their 20s and trying to decide what to do with themselves. “The Good Girl’s Guide to Getting Lost: A Memoir of Three Continents, Two Friends, and One Unexpected Adventure” is Rachel Friedman’s charming coming-of-age memoir that follows her through her early 20s. It begins the summer before Rachel’s senior year of college, when, rather than get a resume-boosting internship like many of her friends, she gets a job in a pub in Galway, Ireland. She is coming to grips with the unknown after giving up on her lifelong dream of being a professional musician. In Ireland,…