There are a plethora of websites for readers. Here are a few that may be helpful.
Goodreads
Connect with other readers worldwide, find recommendations for your next reading adventure, and keep track of your personal reading lists.
Fantastic Fiction
Find information on more than 350,000 books, and bibliographies for more than 30,000 authors.
What's Next
Find the next book in a series using the What's Next® Books in Series database.