Underworld is the third book in the Last of the Jedi series. Jedi Ferus Olin and his young partner Trever head back to Coruscant to track down rumors of an imprisoned Jedi. Unsurprisingly (to me at least), the Temple has been turned into a trap that almost ensnares the two. There's some exciting scenes when Inquisitor Malorum and Darth Vader appear, and a nice appearance by Dexter Jettster from Attack of the Clones (he's had to abandon his diner and go underground since he's a suspected Jedi sympathizer). Sometimes these YA novels bring me as much satisfaction as the full-length adult Star Wars books, and at a much faster pace.