What are some good online book quizzes?

Read Central and Good Reads deliver free, online quizzes, including book summary quizzes and author quizzes, as of 2015. Readers of all ages can search these sites for free books to read online and take the quizzes that accompany them. Available books range from classics to modern best sellers.

Making the quizzes diverse and interesting, author and title searches yield over 5,000 books by Aesop, Shakespeare, Washington Irving, Yeats, J. K. Rowling and Willa Cather. Fun quizzes and trivia help round out the overall experience Read Central provides. In addition to also providing free books and quizzes, Good Reads encourages readers to create and submit quizzes to the site.