Agile Overview
Implementing Scrum - Topic: Agile

These are books I'd recommend on the topic of Agile in general. Remember, "Scrum" is only one subset of the overall term "Agile" in Software Development today!

Agile and Iterative Development: A Manager's Guide (Agile Software Development Series)Agile Software Development (Agile Software Development Series)Agile Software Development, Principles, Patterns, and Practices (Alan Apt Series)
Agile and Iterative Development: A Manager'...
by Craig Larman
$43.06
Agile Software Development (Agile Software ...
by Alistair Cockburn
Agile Software Development, Principles, Pat...
by Robert C. Martin
$64.00
Agile Software Development Ecosystems (Agile Software Development Series)
Agile Software Development Ecosystems (Agil...
by Jim Highsmith
$44.40