Magic System books
Here are 48 books with a lot of magic system, starting with Wind and Truth: Book Five of the Stormlight Archive, The Blood Mirror and The Golem's Eye.
Wind and Truth: Book Five of the Stormlight ArchiveBrandon Sanderson
The Blood MirrorBrent Weeks
The Golem's EyeJonathan Stroud
The Black PrismBrent Weeks
WarbreakerBrandon Sanderson
Blood of the FoldTerry Goodkind
Mistborn Trilogy Boxed SetBrandon Sanderson
MistbornBrandon Sanderson
The Final EmpireBrandon Sanderson
Mistborn TrilogyBrandon Sanderson
ElantrisBrandon Sanderson
OathbringerBrandon Sanderson
The Broken EyeBrent Weeks
The Path of DaggersRobert Jordan
Stormlight Archive Series. 4 Books Collection Set. the Way of Kings, Words of Radiance, Oathbringer, Rhythm of War by Brandon SandersonBrandon Sanderson
A Conjuring of LightV.E. Schwab
UnsouledWill Wight
FoundrysideRobert Jackson Bennett
Stormlight Archive, Books 1-4Brandon Sanderson
Blood Over Bright HavenM.L. Wang
Rhythm of WarBrandon Sanderson
The Way of KingsBrandon Sanderson
In the Shadow of LightningBrian McClellan
The Hero of AgesBrandon Sanderson
The Blinding KnifeBrent Weeks
Words of RadianceBrandon Sanderson
LocklandsRobert Jackson Bennett
ShorefallRobert Jackson Bennett
Sufficiently Advanced MagicAndrew Rowe
The Name of the WindPatrick Rothfuss
Wizard's First RuleTerry Goodkind
A Darker Shade of MagicVictoria Schwab
Gardens of the MoonSteven Erikson
The Magician KingLev Grossman
Natural OrdermageL.E. Modesitt Jr.
Full Fathom FiveMax Gladstone
Mage-Guard of HamorL.E. Modesitt Jr.
The Master MagicianCharlie N. Holmberg
The RunelordsDavid Farland
Secret HistoryBrandon Sanderson
The RogueTrudi Canavan
The Magic EngineerL.E. Modesitt Jr.
Arcanum UnboundedBrandon Sanderson
The Death of ChaosL.E. Modesitt Jr.
The Order WarL.E. Modesitt Jr.
The Earthsea QuartetUrsula K. Le Guin
Magic in the ShadowsDevon Monk
The White OrderL.E. Modesitt Jr.