TUESDAY: You probably know Cynthia Rowley’s clothing, but do you know her writing? Following the success of her Swell books Rowley’s new book recounts her personal coming-of-age lessons – from humorous childhood memories to fantastical experiences. Rowley will read from Slim: A Fantasy Memoir at the Corcoran Gallery of Art’s Hammer Auditorium, 7 p.m. $25 WEDNESDAY: Zachary Leader will appear in a discussion with Christopher Hitchens about Leader’s new book, The Life of Kingsley Amis,…