Goodreads
Discover and share books you love on Goodreads, the world's largest site for readers and book recommendations.

LibraryReads
A monthly list featuring the top ten books loved by librarians across the U.S.

Cozy Mystery List
Cozy mysteries, also referred to as "cozies", are a subgenre of crime fiction in which sex and violence occur off stage, the detective is an amateur sleuth, and the crime and detection take place in a small, socially intimate community.

Series and Sequel Help
Fantastic Fiction
Fantastic Fiction provides over 25,000 bestselling author bibliographies with all the latest books, covers, and descriptions. It also provides series lists for many contemporary authors. 

Guidepost Mystery & Fiction List

KDL What’s Next
Kent District Library’s What's Next™: Books in Series database helps you search series fiction. This is one of the most used websites by librarians for series lists.
 
MCP Juvenile/Teen Series & Sequels
The 'Juvenile Series and Sequels' database contains over 36,000 books in 4,900 series titles that are classified into three audiences:

• Juvenile Easy [JE] – for birth through 2^nd grade readers
• Juvenile [J] – for 2^nd through 6^th grade readers
• Young Adult [YA] – for 6^th through 12^th grade readers