Series — M
3,774 series
Monster
9 books
Monster & Me
2 books
Monster Acadamia
2 books
Monster Academy
5 books
Monster Aces
2 books
Monster and Boy
3 books
Monster and Chips
3 books
Monster Bae Series
3 books
Monster Between the Sheets
5 books
Monster Between the Sheets: Season Two
9 books
Monster Bites
7 books
Monster Blood Tattoo
3 books
Monster Boyfriends
2 books
Monster Breaker
5 books
Monster Brides
1 book
Monster Club Series
2 books
Monster Core
3 books
Monster Diaries
3 books
Monster Doughnuts
4 books
Monster Fart Wars
3 books
Monster Files
4 books
Monster Gear Series
1 book
Monster Girl Base
2 books
Monster Girl Collection Series
5 books
Monster Girl Galaxy
1 book
Monster Girl Gym Series
1 book
Monster Girl Hunter
1 book
Monster Girl Inn
4 books
Monster Girl Islands Series
7 books
Monster Girl Mayhem
1 book
Monster Girl Safari
4 books
Monster Girl Sanctuary
1 book
Monster Girl Tamer
2 books
Monster Girl Trucker
1 book
Monster Girlfriend
3 books
Monster Girls in Space
8 books
Monster Girls of Neon-City
2 books
Monster Haven
3 books
Monster High
1 book
Monster High School Spirits
2 books
Monster Holidays
1 book
Monster Hotel
2 books
Monster Hunt NYC
3 books
Monster Hunter
20 books
Monster Hunter Memoirs
2 books
Monster Hunters
2 books
Monster Hunting
3 books
Monster Makers
3 books
Monster Mansion
2 books
Monster Masseur
4 books
Monster Match
3 books
Monster Match Season Two
1 book
Monster Mate Hunt
5 books
Monster Mate Mayhem
1 book
Monster Menagerie
2 books
Monster Merchant Class
3 books
Monster Middle School Diary
5 books
Monster Mysteries
5 books
Monster Pets
4 books
Monster Prey Mates
3 books
Monster Punk Horizon
4 books
Monster Ranch
4 books
Monster Relations Bureau Series
3 books
Monster Research Facility
4 books
Monster Rocker
2 books
Monster Science
2 books
Monster Security Agency
5 books
Monster Slayer Online
2 books
Monster Smash Agency
3 books
Monster Squad
10 books
Monster Tamer Academy
5 books
Monster Trainer Academy
5 books
Monster Trilogy
3 books
Monster, She Wrote
2 books
Monster's Bride
3 books
Monster's Duet
2 books
Monster's Mercy
3 books
Monsterious
5 books
Monsterpiece Theater
1 book
Monsters
7 books
Monsters & Artifacts
3 books
Monsters & Curves
1 book
Monsters & Mates
4 books
Monsters & Muses
7 books
Monsters After Dark
3 books
Monsters Among Us: Hartford Cove
8 books
Monsters Amongst Us
1 book
Monsters and Beauties
3 books
Monsters and Curves
1 book
Monsters and Gargoyles
8 books
Monsters and Magecraft
1 book
Monsters and Magic
2 books
Monsters and Mayhem
2 books
Monsters and Men Trilogy
2 books
Monsters Hollow
2 books