Goodreads (goodreads.com) ~ book reviews and recommendations
Fantastic Fiction (fantasticfiction.co.uk/) ~ info on authors and books in series
Kent District Library (KDL) What’s Next Dbase (kdl.org/libcat/whatsnext.asp) ~ searchable database of books in series
No Flying No Tights (noflyingnotights.com) ~ graphic novel reviews
Books ‘n’ Bytes (booksnbytes.com) ~ Mystery, science fiction, and fantasy author information
Cozy Mystery (cozy-mystery.com) ~ reviews and recommendations of cozy mysteries
Stop, You’re Killing Me!  (stopyourekillingme.com) ~ title lists of mystery authors and series characters.
Library Reads (libraryreads.org) ~ The top ten books published each month that librarians across the country love.
What Should I Read Next? (whatshouldireadnext.com) ~ recommendations based on titles/authors you enjoy
Whichbook (openingthebook.com/whichbook/) ~ select a book based on mood, emotion, plot shape, type of main character, geographic location, etc. ~ fun!
Literature Map (literature-map.com) ~ interesting way to find new things to read using thought mapping
Book Page (bookpage.com) ~ book reviews and recommendations
Gnooks 
KDL What's Next - find the next book in a series

Book Club/Group Resources
LitLovers (litlovers.com) ~ book club recommendations and suggested questions
Reading Group Guides (readinggroupguides.com) ~ everything for book groups!

Children's Resources
50 Books Kids Should Read Before They're 12
GoodReads Children's Books
The Children's Book Review

Book Reviews:
The New York Times Bestsellers Lists
Common Sense Media