The Avengers Companion by Alain Carrazé and Jean-Luc Putheaud, with Alex J. Gearns (Bay Books, 1998) The Avengers Dossier: The Definitive Unauthorised Guide by Paul Cornell, Martin Day and Keith Topping (London: Virgin Books, 1998).
The Avengers Companion oleh Alain Carrazé dan Jean-Luc Putheaud, dengan Alex J. Gearns (Bay Books, 1998) The Avengers Dossier: The Definitive Unauthorised Guide oleh Paul Cornell, Martin Day dan Keith Topping (London: Virgin Books, 1998).