num_pages: 592
description: Now in paperback, the fourth novel in Irene Radford's acclaimed saga of Merlin and his descendants follows the children of twin brothers Donovan and Griffin, in a magic-fueled struggle to protect Elizabethan England from enemies-both mortal and demonic.
language: English
title: Guardian of the Promise
titlecomplete: Guardian of the Promise (Merlin's Descendants, #4)
genres: Fiction, Historical, Science Fiction Fantasy, Historical Fiction, Fantasy, Arthurian
ratings_count: 136
series: Merlin's Descendants
publisher: DAW