The unexpected success of her pop-psychology book has made former French teacher Lucy Pym London's latest literary celebrity. When she receives a lecture invitation from her old friend Henrietta - now headmistress of Leys Physical Training College - Miss Pym eagerly accepts. She expects to stay for just a single night - but after the students win her over, she extends her stay - for just a few days… then a few weeks.At first, life in the college seems idyllic (especially for Lucy Pym,…