"A writer of unknown gender, an orphan, brought up by despised and religious foster parents, seeks comfort in the invention of a Father. Father takes on a life of his own, however, bringing along a wife and two children, leading all of them into unexpected realms. Although Walls of the Cave contains a strong intellectual foundation, the plot engages in dark humour and the consequently spiced-up tale exposes us to Estonian as a "secret language.""--