Best Fiction for Young Adults: from the American Library Association's Young Adult Library Services Association (YALSA)
Teen's Top 10 (YALSA)
Book Finder: Search 4,000+ books, audiobooks, and films from YALSA's book awards and book lists.
Teen Book Lists from GoodReads
TeenReads: reviews, interviews, contests, and more!
Teen Ink: magazine, website, and books written by teens
Book Concierge: the National Public Radio (NPR) guide to 2019's greatest Teen Reads. (From here, you can also browse the 'best of' lists for the years 2013-2018.)
Teen Booklists: from the New York Public LIbrary
Young Adult Book Reviews: Browse hundreds of reviews by category
Teen and Young Adult Books: from Amazon.com
Teens' Books: from Barnes & Noble