Book series shape childhoods, spark lifelong fandoms, and dominate cultural conversation through intricate worlds and enduring characters. Sales figures, adaptation reach, and critical staying power all factor into what readers defend as the greatest. Vote to reorder the list by your own priorities.
What counts: Best means cultural impact, reread value, world-building depth, and lasting influence; sales and ratings are approximate figures drawn from public estimates.
Harry Potter▲ Rising
Seven novels built an entire wizarding universe that redefined children's fantasy for a generation. The series peaked with the battle at Hogwarts, cementing moral complexity and friendship as its core strengths. Its global phenomenon status earns the top spot.
Books: 7Span: 1997-2007Sales: 500 millionRating: 8.7/10Adapted: ✓
added by IJRin 8 rankingsHarry Potter
The Chronicles of Narnia▲ Rising
Lewis's seven-book portal fantasy delivered Christian allegory through talking animals and child heroes. Aslan's sacrifice anchors the emotional core. Its accessible wonder earns a high legacy ranking.
Books: 7Span: 1950-1956Sales: 120 millionRating: 8.1/10Adapted: ✓
added by IJRin 2 rankingsThe Chronicles of Narnia
Dune▲ Rising
Herbert's six-book saga launched ecological and messianic science fiction with Paul Atreides' rise on Arrakis. The spice-driven jihad sequence defines its ambition. Its philosophical weight secures its place.
Books: 6Span: 1965-1985Sales: 20 millionRating: 8.5/10Adapted: ✓
added by IJRin 3 rankingsDune
Redwall▲ Rising
Jacques's twenty-two-book animal epic chronicled abbey mice defending against vermin foes. Martin the Warrior's legacy tale stands as its signature origin story. Its wholesome adventure formula built decades of fans.
Books: 22Span: 1986-2011Sales: 30 millionRating: 7.5/10Adapted: —
added by IJRin 2 rankingsRedwall
Martin's ongoing saga upended epic fantasy with political intrigue and moral ambiguity across Westeros. The Red Wedding remains its signature shock. Its unfinished state tempers but does not erase its towering influence.
Books: 5Span: 1996-presentSales: 90 millionRating: 8.4/10Adapted: ✓
added by IJRin 2 rankingsA Song of Ice and Fire
The Lord of the Rings▲ Rising
Tolkien's three-volume epic forged modern high fantasy with its quest to destroy the One Ring. The fellowship's stand at Helm's Deep and the fall of Sauron remain unmatched in scope. Its linguistic depth and mythic resonance keep it at the summit.
Books: 3Span: 1954-1955Sales: 150 millionRating: 9.2/10Adapted: ✓
added by IJRin 6 rankingsThe Lord of the Rings
The Hunger Games▲ Rising
Collins's three-book dystopia followed Katniss through rebellion in Panem. The final arena and Capitol assault mark its turning point. Its social commentary drives its popularity.
Books: 3Span: 2008-2010Sales: 100 millionRating: 7.7/10Adapted: ✓
added by IJRin 2 rankingsThe Hunger Games
Discworld▲ Rising
Pratchett's 41-novel satirical universe lampooned fantasy tropes through Ankh-Morpork and Death himself. The Night Watch arc shows its growing heart. Sheer volume and wit place it high.
Books: 41Span: 1983-2015Sales: 100 millionRating: 8.3/10Adapted: —
added by IJRin 2 rankingsDiscworld
The Wheel of Time▲ Rising
Jordan and Sanderson's fourteen-book epic followed Rand al'Thor from farm boy to savior of the world. The final battle at Shayol Ghul caps its scale. Sheer length and detail reward dedicated readers.
Books: 14Span: 1990-2013Sales: 90 millionRating: 7.9/10Adapted: ✓
added by IJRin 3 rankingsThe Wheel of Time
Sherlock Holmes▲ Rising
Doyle's four novels and fifty-six stories defined the detective genre through deduction and deduction alone. The Reichenbach Falls plunge remains iconic. Its format and character blueprint keep it foundational.
Books: 4Span: 1887-1927Sales: 60 millionRating: 8.6/10Adapted: ✓
added by IJRin 6 rankingsSherlock Holmes
Asimov's seven-book psychohistory epic spans a thousand years of galactic decline and rebirth. The Mule's disruption marks its clever pivot. Its ideas-first approach earns enduring respect.
Books: 7Span: 1951-1993Sales: 20 millionRating: 8/10Adapted: ✓
added by IJRfoundation
Pullman's three-book trilogy challenged authority through Lyra's journey across parallel worlds. The betrayal of God sequence defines its bold stance. Its philosophical edge stands out.
Books: 3Span: 1995-2000Sales: 18 millionRating: 8.4/10Adapted: ✓
added by IJRin 4 rankingsHis Dark Materials
The Stormlight Archive▲ Rising
Sanderson's ongoing ten-book series explores Roshar through high-stakes Radiant knights. The Battle of Thaylen Field highlights its massive scope. Its detailed magic and culture set a high bar.
Books: 4Span: 2010-presentSales: 15 millionRating: 8.3/10Adapted: —
added by IJRin 2 rankingsThe Stormlight Archive
The Hitchhiker's Guide to the Galaxy
Adams's five-book comedic sci-fi romp followed Arthur Dent across the universe after Earth's destruction. The answer 42 moment defines its absurdity. Its wit secures cult status.
Books: 5Span: 1979-1992Sales: 15 millionRating: 8.2/10Adapted: ✓
added by IJRThe Hitchhiker's Guide to the Galaxy
Sanderson's six-book epic opened with Vin's rise in a world where the hero failed. The allomancy system and final confrontation highlight its inventive magic. Its consistent quality builds a loyal base.
Books: 6Span: 2006-2022Sales: 10 millionRating: 8/10Adapted: —
added by IJRin 2 rankingsMistborn
Eddings's five-book quest followed Garion from farm boy to sorcerer king. The final confrontation with Torak seals its classic arc. Its straightforward prophecy tale influenced many imitators.
Books: 5Span: 1982-1984Sales: 15 millionRating: 7.4/10Adapted: —
added by IJRin 2 rankingsThe Belgariad
King's eight-book journey followed Roland across worlds to the Tower itself. The lobstrosity attack and final door sequence mark its surreal turns. Its meta connections to King's universe boost its cult appeal.
Books: 8Span: 1982-2012Sales: 30 millionRating: 7.8/10Adapted: ✓
added by IJRin 2 rankingsThe Dark Tower
The First Law▼ Falling
Abercrombie's nine-book grimdark world followed Logen, Glokta, and Jezal through brutal wars and betrayals. The Battle of Adua highlights its cynical turns. Its sharp dialogue and subversion earn a dedicated following.
Books: 9Span: 2006-2020Sales: 3 millionRating: 8.1/10Adapted: —
added by IJRin 2 rankingsThe First Law
Dresden Files
Butcher's seventeen-book urban fantasy followed wizard detective Harry Dresden through Chicago cases. The Changes climax redefined stakes. Its case-of-the-week growth into epic earns steady fans.
Books: 17Span: 2000-presentSales: 10 millionRating: 7.9/10Adapted: —
added by IJR
The Broken Empire
Lawrence's three-book grimdark trilogy followed Jorg Ancrath's ruthless climb to emperor. The family betrayal at the heart fuels its dark arc. Its antihero edge earns a distinct niche.
Books: 3Span: 2011-2013Sales: 1 millionRating: 7.7/10Adapted: —
added by IJR
Erikson and Esslemont's ten-book series plunged readers into a vast empire-spanning war with gods and ancient races. The Chain of Dogs march stands as its emotional peak. Its complexity rewards rereads.
Books: 10Span: 1999-2011Sales: 3 millionRating: 8/10Adapted: —
added by IJRin 2 rankingsMalazan Book of the Fallen
The Powder Mage
McClellan's three-book flintlock fantasy followed powder mages in a revolution against gods. The siege of Budwiel shows its military focus. Its unique magic system and brisk pace stand out.
Books: 3Span: 2013-2015Sales: 1 millionRating: 7.6/10Adapted: —
added by IJR
The Lies of Locke Lamora▼ Falling
Lynch's ongoing Gentleman Bastard series opened with con artists in a Venetian-inspired city. The final heist betrayal defines its clever start. Its witty banter and heist structure win strong praise.
Books: 3Span: 2006-presentSales: 2 millionRating: 8/10Adapted: —
added by IJRin 2 rankingsThe Lies of Locke Lamora
The Riftwar Cycle▼ Falling
Feist's thirty-book saga began with Pug's rise from slave to master magician across two worlds. The Riftwar invasion launches its massive conflict. Its long interconnected run builds deep investment.
Books: 30Span: 1982-2013Sales: 15 millionRating: 7.3/10Adapted: —
added by IJRThe Riftwar Cycle
Percy Jackson & the Olympians▼ Falling
Riordan's five-book series reimagined Greek myths through a modern demigod teen. The battle against Kronos crowns its arc. Its fun mythology mashup earns strong youth loyalty.
Books: 5Span: 2005-2009Sales: 50 millionRating: 7.8/10Adapted: ✓
added by IJRin 2 rankingsPercy Jackson & the Olympians
Colfer's eight-book series mixed fairies and criminal masterminds in a modern heist style. The time paradox book shows its inventive peak. Its clever tone keeps it memorable.
Books: 8Span: 2001-2012Sales: 25 millionRating: 7.6/10Adapted: ✓
added by IJRArtemis Fowl
Rothfuss's Kingkiller Chronicle began with Kvothe's innkeeper recounting his legendary past. The Chandrian encounter and university trials mark its early brilliance. Its prose and mystery keep anticipation high despite the wait.
Books: 2Span: 2007-presentSales: 10 millionRating: 8.3/10Adapted: —
added by IJRin 2 rankingsThe Name of the Wind
Ender's Saga▼ Falling
Card's five-book series began with Ender's genocidal game and expanded across the universe. The Speaker for the Dead shift shows its moral growth. Its ethical questions anchor its reputation.
Books: 5Span: 1985-1996Sales: 10 millionRating: 8.1/10Adapted: ✓
added by IJR
Corey's nine-book space opera followed the Rocinante crew through solar system war and alien protomolecule. The ring gate opening marks its pivot to the stars. Its realistic physics and politics drive its acclaim.
Books: 9Span: 2011-2022Sales: 5 millionRating: 8.2/10Adapted: ✓
added by IJRin 2 rankingsThe Expanse
The Riyria Revelations▼ Falling
Sullivan's six-book series followed thieves Royce and Hadrian through a conspiracy to save the empire. The final revelation about the heir caps its clever mystery. Its buddy dynamic and steady quality win fans.
Books: 6Span: 2008-2012Sales: 2 millionRating: 7.8/10Adapted: —
added by IJRThe Riyria Revelations
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Voted, but this order is going to look very different in a month once more people find it.
This is the most honest version of this ranking I've seen anywhere. The pros and cons are fair.
Somebody explain the Harry Potter votes to me. Genuinely. I want to understand.
Wild that Harry Potter is winning this. Scroll down — the real answer is further down the board.