Released April 28, 2015.
Includes a unique LEGO white prototype Boba Fett minifigure only available with this book. (As of 2017, it's been re-released in the LEGO Star Wars "Secrets of the Force" book.)
More about the Boba Fett minifigure in this set on Brickset.com.
Retails for $19.
From the publisher:
The updated and expanded ultimate guide to the minifigures of the LEGO Star Wars galaxy DK's LEGO Star Wars Character Encyclopedia: Updated and Expanded now includes many more new LEGO Star Wars minifigures! Discover incredible LEGO Star Wars facts, such as which minifigure is the rarest and which can be found in the most LEGO sets. This updated and expanded edition contains 72 additional pages of new minifigures and includes an exclusive minifigure to add to your collection.