Children's Literature Comprehensive Database This link opens in a new windowProfessional reviews of children's books, multimedia and audio books as well as national, state, and international award entries dating back to 1922. Search by keyword, author, title and subject; and filter by reading level, age, grade and interest level; and then view, sort and distribute the resulting information. CLCD's Teaching Tools include links to hundreds of web sites with lesson plans and teaching guides.