http://www.mcpl.lib.mo.us/readers/movies/
Based on the Book is a database that lists popular films based on books in order of release year, author, film title or book title. Though this is more of a circulation tool, I used in in one of my projects and found it very handy. Hosted by the Mid-Continent Public Library.
http://ww2.kdl.org/libcat/WhatsNextNEW.asp
What’s Next is a database that displays the series and the correct order of books within series for a particular author. Again, a circ tool but very handy every now and again. Hosted by the Kent District Library.