Children's Literature Comprehensive Database Children's Literature Comprehensive Database is the premier single-source, single-search provider of online information to help educators and librarians find just the right books to meet their educational and collection management requirements. CLCD provides professional reviews of children's books, multimedia and audio books as well as national, state, and international award entries dating back to 1922. Subscribers can 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. In addition, CLCD includes Teaching Tools which shows links to hundreds of web sites with lesson plans and teaching guides.