The Hot Twi'lek Girls Sourcebook is a sourcebook published by Rear End Games that contains information about hot Twi'lek girls, like Aayla Secura, who were often drooled over by fanboys. The book describes the personal histories and measurements of several very hot Twi'lek girls. The book also contains lots of information about Darth Elmo's Twi'lek allergy and it is the first canonical publication to describe how Aayla Secura escaped Darth Elmo.