Amanda Theunissen heads for Chinese Turkestan • Alice O’Keeffe goes Cuban • Jeremy Lewis unearths the missing will • Ashley Harrold celebrates a very minor poet • Michele Hanson trails after Humphry Clinker • C. J. Wright saves the Punch table for the nation • Linda Leatherbarrow finds food for free • Jeremy Noel-Tod and Robert Macfarlane go night-climbing in Cambridge