Trouble With Lichen: John WyndhamFrancis Saxover and Diana Brackley, two scientists investigating a rare lichen, discover it has a remarkable property: it retards the aging process. Francis, realising the implications for the world of an ever youthful, wealthy elite, wants to keep it secret, but Diana sees an opportunity to overturn the male status quo by using the lichen to inspire a feminist revolution and there IS going to be trouble when Diana opens an elite beauty spa for