VOYAs Perfect Tens, 2000 to 2012 is an outstanding tool for collection development for young adult literature. It is a compilation of titles reviewed in VOYA magazine that received a perfect 5P and 5Q rating in the 21st century. VOYAs young adult book reviews have helped build young adult library collections since 1978. Many young adult librarians rely on VOYAs reviews as their main resource for book selection. VOYAs unique Q (quality) and P (popularity) rating system is a popular tool to help busy young adult librarians make their purchase and reading selections in school and public libraries. The Q rating is strictly a 1 to 5 rating with 1 being the worst and 5 being the best, while the P rating is more subjective to the segment of the teen audience the book is meant to target. Major book awards have been added to this list of titles. Among the awards are: Michael L. Printz, John Newbery, Coretta Scott King, Best Books for Young Adults, Quick Picks for Young Adults, Teens Top Ten, Popular Paperbacks for Young Adults, Guardian Award, Carnegie Medal, Best Fiction for Young Adults, Mythopoeic Fantasy Award, USA Today Bestseller, Nonfiction Award, Morris Award, and the Edgar Award.