In no particular order, here are some of my faves!
The Harry Potter series by J.K. Rowling
The Chronicles of Narnia by C.S. Lewis
The Throne of Glass series by Sarah J. Maas
A Court of Thorns and Roses series by Sarah J. Maas
The Wrath and the Dawn duology by Renée Ahdieh
The Black Witch series by Laurie Forest
A Curse So Dark and Lonely by Brigid Kemmerer
The Juliette Chronicles by Tahereh Mafi
The Elemental Trilogy by Sherry Thomas
Strange The Dreamer by Laini Taylor
The Ranger’s Apprentice series by John Flanagan
The Red Rising trilogy by Pierce Brown
The Hunger Games trilogy by Suzanne Collins
The Divergent Trilogy by Veronica Roth (*I haven’t read the third one, though)
The Mortal Instruments series by Cassandra Clare
The Lunar Chronicles by Marissa Meyer (*I haven’t read the final book yet)
The Grisha Trilogy by Leigh Bardugo
The Tiger Saga by Colleen Houck
Graceling by Kristen Cashore
Legends of the Guardian King by Karen Hancock
The Green Rider series by Kristen Britain
The Sevenwaters Trilogy by Juliette Marillier (*This has extended to a series, of which I’ve read two more, but the original trilogy was my fav)
The Inheritance Cycle by Christopher Paolini (*I haven’t read the final book yet)
The Vampire Academy series by Richelle Mead
The Twilight Saga by Stephenie Meyer (I know there’s a lot of boo-ing about these books, but no one can deny that Stephenie Meyer inspired a lot of young readers to enjoy reading again! She helped open up the YA genre to a whole slew of new readers, so I tremendously respect her for managing that!)
The Starbound series by Amie Kaufman and Meagan Spooner
The Study Series AND The Glass Series by Maria V. Snyder
The Illuminae Files by Amie Kaufmann and Jay Kristoff
The (original) Magician trilogy by Raymond E. Feist
Tweet Cute by Emma Lord (I’m not usually a huge fan of YA contemporary but this one was adorable!)