Necromancy books
Here are 48 books with a lot of necromancy, starting with Harrow the Ninth, Sabriel and The Laughing Corpse.
Harrow the NinthTamsyn Muir
SabrielGarth Nix
The Laughing CorpseLaurell K. Hamilton
The Abhorsen Trilogy Box SetGarth Nix
Gideon the NinthTamsyn Muir
The Bone WitchRin Chupeco
AbhorsenGarth Nix
LiraelGarth Nix
Dark HavenGail Z. Martin
GoldenhandGarth Nix
The Foxglove KingHannah Whitten
The Last NecromancerC.J. Archer
The Fear InstituteJonathan L. Howard
NecroscopeBrian Lumley
Hold Me Closer, NecromancerLish McBride
Three Parts DeadMax Gladstone
Vamphyri!Brian Lumley
The Blood KingGail Z. Martin
Necromancing the StoneLish McBride
The SummoningKelley Armstrong
The SummonerGail Z. Martin
Nona the NinthTamsyn Muir
Terciel and ElinorGarth Nix
Guilty PleasuresLaurell K. Hamilton
Unnatural IssueMercedes Lackey
Bauchelain and Korbal BroachSteven Erikson
Dark Lady's ChosenGail Z. Martin
Anita Blake, Vampire Hunter Collection 1-4Laurell K. Hamilton
Dead ThingsStephen Blackmoore
Club VampyreLaurell K. Hamilton
Fire SeaMargaret Weis, Tracy Hickman
Darkest Powers TrilogyKelley Armstrong
Death BringerDerek Landy
Dead Man RisingLilith Saintcrow
Arthas: Rise of the Lich KingChristie Golden
The SourceBrian Lumley
Anita Blake, The Laughing Corpse Book 1Laurell K. Hamilton
UndeadlyMichele Vail
The Drowning CityAmanda Downum
Her Majesty's NecromancerC.J. Archer
The Necromancer's DanceS.J. Himes
The Fall of the House of CabalJonathan L. Howard
NecromancerLish McBride
The Necromancer's DilemmaS.J. Himes
The Death of MeJonathan L. Howard
Wolves and the River of StoneEric R. Asher
Nagash the SorcererMike Lee
Realm of MirrorsSonya Bateman