Youth Services Digital Library Includes World Book Kids, World Book Student, and World Book Advanced. These resources contain full-text articles, pictures and videos for homework as well as fun games and activities. Get homework help in all subjects (Gr K-12). Have your papers proofread. Practice for the AP Tests, ACT and SAT. Enjoy the magic of books in over 40 World Languages from the comfort of home. Mango Languages makes online language learning instruction simple and fun. Mango offers lessons for over 60 languages, many recently expanded, including English Language Learner (ELL) courses. Make a free profile for your child and get started learning Chinese, Spanish, French, German and more! A list of free online resources for parents and students during the summer. Discover ebooks on science, history, people, animals and much more. Each ebook includes a video, a project idea, and fun activities. Thousands of practice math questions to help you master math standard.