YA fantasy set in the afterlife

1.
Gideon the Ninth (The Locked Tomb, #1)
Gideon the Ninth (The Locked Tomb, #1) 4.19 avg rating — 172,140 ratings
1.
Sabriel (Abhorsen, #1)
Sabriel (Abhorsen, #1)
by: Garth Nix
4.17 avg rating — 215,930 ratings
3.
The Graveyard Book
The Graveyard Book 4.16 avg rating — 560,862 ratings
3.
Ghost Boys
Ghost Boys 4.33 avg rating — 32,631 ratings
3.
Season of the Witch (The Chilling Adventures of Sabrina, #1)
Season of the Witch (The Chilling Adventures of Sabrina, #1) 3.60 avg rating — 5,869 ratings
6.
Cemetery Boys (Cemetery Boys, #1)
Cemetery Boys (Cemetery Boys, #1) 4.25 avg rating — 104,805 ratings
7.
Half World
Half World 3.66 avg rating — 1,598 ratings
7.
The Sword of Summer (Magnus Chase and the Gods of Asgard, #1)
The Sword of Summer (Magnus Chase and the Gods of Asgard, #1) 4.23 avg rating — 234,718 ratings
9.
The Dead Kid Detective Agency (The Dead Kid Detective Agency, #1)
The Dead Kid Detective Agency (The Dead Kid Detective Agency, #1) 3.71 avg rating — 316 ratings
9.
The Hammer of Thor (Magnus Chase and the Gods of Asgard, #2)
The Hammer of Thor (Magnus Chase and the Gods of Asgard, #2) 4.30 avg rating — 126,246 ratings
11.
The Ship of the Dead (Magnus Chase and the Gods of Asgard, #3)
The Ship of the Dead (Magnus Chase and the Gods of Asgard, #3) 4.37 avg rating — 102,870 ratings
12.
Tosho is Dead (The Power Thief, #1)
Tosho is Dead (The Power Thief, #1) 3.89 avg rating — 9 ratings
12.
The Shadow Prince (Into the Dark, #1)
The Shadow Prince (Into the Dark, #1) 3.86 avg rating — 4,230 ratings
12.
The Wee Free Men (Discworld, #30; Tiffany Aching, #1)
The Wee Free Men (Discworld, #30; Tiffany Aching, #1) 4.30 avg rating — 118,206 ratings
15.
The Lightning Thief (Percy Jackson and the Olympians, #1)
The Lightning Thief (Percy Jackson and the Olympians, #1) 4.31 avg rating — 3,336,638 ratings
16.
The Lovely Bones
The Lovely Bones 3.86 avg rating — 2,439,511 ratings
17.
If I Stay (If I Stay, #1)
If I Stay (If I Stay, #1) 3.91 avg rating — 955,701 ratings