Photoshop Lightroom: From Snapshots to Great Shots is a new book from Jeff Revell. The book covers Lightroom 4 editing; however, Jeff says he wrote the book with the notion in mind that Lightroom version 2 and 3 users would still be able to take advantage of the information.
Photoshop Lightroom: From Snapshots to Great Shots retails for $24.99; however, it is currently available for $13.63 on Amazon.com.