Boxtree

Boxtree was an imprint of Macmillan Publishers based in London that specialized in film and TV tie-ins, illustrated books and humor. In cooperation with Lucasfilm, they made "choose your own adventure"–style roleplaying books set in the Star Wars universe like Jedi Dawn, The Bounty Hunter, and the compilation The Lost Jedi Adventure Game Book.
They also published trade paperbacks of the Dark Horse Star Wars comics like River of Chaos and Droids: Season of Revolt.