 She and the rest of the Corps joined in the fight against Hal's one-time love, the mercenary Flicker, and an entire Teban convoy.Some time later, new recruits of the Green Lantern Corps were shown the Book of Oa, a book kept by the Guardians of the Universe which told tales of Green Lanterns past, present, and future.They learned stories which would help them be better Green Lanterns.