. "0-7434-1240-0" . . . . "PS3557.O35927 B66 2001" . "336"^^ . "45715049" . . "The Book of Fours"@en . . . . . "The Book of Fours is an original novel based on the American television series Buffy the Vampire Slayer."@en . . "813/.54 21" .