GhostOfMakaris
Bronze Year Student
I have, over the years, never had a certain favorite. Other series have taken and lost that title throughout my years. But, my favorites include:
Artemis Fowl [if these count as young adult. I think some consider them children's]
Books of Bayern [see Artemis Fowl]
WARP [same author as Artemis Fowl]
The Darkest Minds
Virals
The Steampunk Chronicles
The Tweed and Nightingale Adventures
Magisterium [same author as The Mortal Instruments]
I did recently finish Lady Midnight and I really enjoyed it. So maybe once the series ends it'll be on this list. A couple others I did enjoy[but they cannot go under favorites. I do not have the need to reread them over and over again] include Delirium, The Zodiac Legacies, Shadow Falls, Black City , and Under the Never Sky.