If you are looking for Merlin's story more generally, these "classics" are frequently cited by reviewers on Reddit and Goodreads :
: Subtitled "The First Book of Merlin," this 1988 historical fantasy draws heavily from original Celtic and Germanic myths to create a more grounded, scholarly version of the enchanter. Book of Merlin
: This is the final, posthumously published volume of the classic Arthurian series The Once and Future King . It serves as a philosophical conclusion where Merlyn reappears to King Arthur before his final battle to discuss ethics, politics, and the causes of war. If you are looking for Merlin's story more
: A 12th-century historical text by Geoffrey of Monmouth which contains a "Book of Merlin's Prophecies" that influenced centuries of legend. : A 12th-century historical text by Geoffrey of
: This is a non-fiction exploration that examines the historical and mythological incarnations of Merlin throughout history from various cultural perspectives. Other Significant Retellings
: This 1996 fantasy novel kicks off a popular series detailing the youth and origin story of Merlin before he became King Arthur's advisor.