The Fantasy Review’s list of 8 Fantasy Book Series for Fans of The Chronicles of Narnia, with one book that is technically a standalone with related stories.
The Hobbit by J.R.R. Tolkien
From the blurb:
Bilbo Baggins is a hobbit who enjoys a comfortable, unambitious life, rarely traveling any farther than his pantry or cellar. But his contentment is disturbed when the wizard Gandalf and a company of dwarves arrive on his doorstep one day to whisk him away on an adventure. They have launched a plot to raid the treasure hoard guarded by Smaug the Magnificent, a large and very dangerous dragon. Bilbo reluctantly joins their quest, unaware that on his journey to the Lonely Mountain he will encounter both a magic ring and a frightening creature known as Gollum.
The Chronicles of Prydain by Lloyd Alexander
From the blurb of book 1:
Since The Book of Three was first published in 1964, young readers have been enthralled by the adventures of Taran the Assistant Pig-Keeper and his quest to become a hero. Taran is joined by an engaging cast of characters that includes Eilonwy, the strong-willed and sharp-tongued princess; Fflewddur Fflam, the hyperbole-prone bard; the ever-faithful Gurgi; and the curmudgeonly Doli―all of whom have become involved in an epic struggle between good and evil that shapes the fate of the legendary land of Prydain.…
The Fionavar Tapestry by Guy Gavriel Kay
From the blurb of book 1:
Taken to a realm of magic and war, five men and women from our world embark on an epic journey in the first novel in Guy Gavriel Kay’s classic, critically acclaimed fantasy trilogy, The Fionavar Tapestry.
It begins with a chance meeting that introduces the five to a man who will change their lives: a mage who brings them to the first of all worlds, Fionavar.
In this land of gods and myth, each of them is forced to discover what they are and what they are willing to do, as Fionavar stands on the brink of a terrifying war against a dark, vengeful god…
Apprentice Adept by Piers Anthony
From the blurb of book 1:
On the technological, decadent world of Proton, someone was trying to destroy Stile, serf and master Gamesman. His only escape lay through a mysterious “curtain” revealed by a loving robot.
Beyond the curtain lay Phaze—a world totally ruled by magic. There, his first encounter was with an amulet that turned into a demon determined to choke him to death. And there, he soon learned, his alternate self had already been murdered by sorcery, and he was due to be the next victim.…
Magic Kingdom of Landover by Terry Brooks
From the blurb of book 1:
Landover was a genuine magic kingdom, with fairy folk and wizardry, just as the advertisement has promised. But after he purchased it, Ben Holiday learned that there were a few details the ad had failed to mention.
The kingdom was in ruin. The Barons refused to recognize a king, and the peasants were without hope. A dragon was laying waste the countryside, while an evil witch plotted to destroy everything….
The Windrose Chronicles by Barbara Hambly
From the blurb of book 1:
In a world where wizards are relegated to ghettos, it is no surprise to see one murdered in the street. But for Stonne Caris, a young warrior monk who sees the killing and gives chase to the culprit, there is nothing ordinary about seeing a murderer disappear into a black, inky portal. The Archmage sends him in search of Antryg Windrose – a half-mad mage who understands the nature of these passages between dimensions.…
The Magicians Trilogy by Lev Grossman
From the blurb of book 1:
Quentin Coldwater’s life is changed forever by an apparently chance encounter: when he turns up for his entrance interview to Princeton University, he finds his interviewer dead – but a strange envelope bearing Quentin’s name leads him down a very different path. Instead of Princeton, he finds himself invited to study at Brakebills – a secret college of modern-day sorcerers….
The Chronicles of Thomas Covenant the Unbeliever by Stephen Donaldson
From the blurb of book 1:
Lying unconscious after an accident, writer Thomas Covenant awakes in the Land a strange, beautiful world locked in constant conflict between good and evil.But Covenant, too, has been transformed: weak, angry, and alone in our world, he now holds powers beyond imagining and is greeted as a saviour. Can this man truly become the hero the Land requires?….