The third volume in the classic epic trilogy of parallel worlds, admired by Tolkien and the great prototype for The Lord of the Rings and modern fantasy fiction. E. R. Eddison was the author of three of the most remarkable fantasies in the English language: The Worm Ouroboros, Mistress of Mistresses and A Fish Dinner in Memison. Linked together as separate parts of one vast romantic epic, fans who clamoured for more were finally rewarded 13 years after Eddison's death with the publication of the uncompleted fourth novel, written during the dark years of the Second World War. This new edition of The Mezentian Gate includes additional narrative fragments of the story missing from the original 1958 edition. Together with an illuminating introduction by Eddison scholar Paul Edmund Thomas, this volume returns Edward Lessingham to the extravagant realm of Zimiamvia and concludes one of the most extraordinary and influential fantasy series ever written.