Check out these Websites!

Discovery Puzzlemaker
Internet Public Library Teen Space

Music:
All Music Guide
Rolling Stone

Reading Lists:
College Bound Reading List
Guys Read
Teens@Random (Random House Publishers)
AnimeNewsNetwork - manga reviews
YALSA Book Awards and Booklists
Iowa Teen Award List
Iowa High School Book Award
Teenreads.com

Information:
Go Ask Alice

Magic the Gathering Resources:
Gatherer Oracle Card Database
Official Format Rules & Ban Lists
MTG Salvation Wiki - General information about sets and Magic history
Tappedout.net Deck Builder, Playtesting & Community