"Unseen Trilogy" . . . . "Unseen (Buffy/Angel novel)" . . "Unseen" . "Unseen (Buffy/Angel novel)" . . "''Unseen'' (''Buffy''/''Angel'' novel)" . . "CPB Box no. 1836 vol. 19" . . . "''Unseen'' (Buffy/Angel novel)" . "0-7434-1893-X" . . . . . . . . . . . . . "Unseen I" . "46650816" . . "Unseen II" . . . "Unseen III" . "300" . . . .