From the Young Adult Library Services Association of the ALA, this site "presents fiction titles published for young adults in the past 16 months that are recommended reading for ages 12 to 18."
"The books that appear in these annotated book lists were evaluated and selected by a Book Review Committee appointed by National Council for the Social Studies (NCSS) and assembled in cooperation with the Children's Book Council (CBC)."
"The books that appear in these lists were selected as outstanding children’s science trade books. They were chosen by a book review panel appointed by the National Science Teachers Association (NSTA) and assembled in cooperation with the Children’s Book Council (CBC). "
"... is a "teen choice" list, where teens nominate and choose their favorite books of the previous year!" This service is provided by the Young Adult Library Services Association.