Allan & the ice gods

Resumen

Allan and the Ice-Gods is a novel by H. Rider Haggard featuring his recurring character Allan Quartermain, based on an idea given to Haggard by Rudyard Kipling. The story details Quartermain's past life regression to a stone-age ancestor and the various adventures involved.
The novel has been noted as a treatment of the topics of eugenics and evolution in literature and culture.