Jedi Quest: The Master of Disguise

The Master of Disguise is the fourth in a series of young reader novels that chronicle the adventures of Obi-Wan Kenobi and Anakin Skywalker between Star Wars Episode I: The Phantom Menace and Star Wars Episode II: Attack of the Clones.

Publisher's Summary (Back Cover)
How do you defeat an enemy whose riches buy unlimited power? How do you defeat an enemy who is a master of disguise? How do you defeat an enemy you cannot find?

Anakin SKywalker and Obi-Wan Kenobi are facing a very real threat from a very elusive adversary, who is as cunning as he is evil. He will stop at nothing to draw others to the dark side and undermine the Republic. If the Jedi do not stop him, it will mean danger for the whole galaxy.