In addition to going to the library, here are some online sources for reading books.
www.wegivebooks.org has hundreds of books (fiction and nonfiction at all reading levels) students can read
online. The user name is: umeskids. The password is: read.
www.magickeys.com/books Books for young children, older children and young adults.
www.childrensbooksonline.org/library.htm Books for all ages categorized from pre-readers to advanced.
www.storyjumper.com/book/search
http://www.storylineonline.net Actors read many popular books.
http://en.childrenslibrary.org Offers online books in many languages including Spanish and Farsi.
http://www.read.gov/books A library of primarily classic books including many chapter books.
https://freekidsbooks.org Books can be read online or printed for free.
http://www.bygosh.com/childrensclassics.htm For younger and older children including novels