2007, Editions Albert René published Astérix et ses Amis (Asterix and friends), a collection of short Asterix stories written and drawn by, and in the distinctive styles of, a number of cartoonists other than Uderzo. The book was dedicated to Uderzo on the occasion of his 80th birthday and carries a foreword by Sylvie, his daughter. Film adaptations Asterix films not based closely on a single book have had film books released in a format similar to the original albums, but with scenes from the films and a written story. 1976 – The Twelve Tasks of Asterix (Les douze travaux d'Astérix) 1985 – Asterix Versus Caesar (Astérix et la surprise de César) 1989 – Operation Getafix (Astérix et le coup du menhir) 1994 – Asterix Conquers America (Astérix et les indiens) 2006 – Asterix and the Vikings (Astérix et les Vikings) References External links Asterix NZ: Take a look Inside– Information on all the 33 Asterix books de:Asterix#Liste der Bände el:Αστερίξ#Κατάλογος τευχών Αστερίξ sv:Asterix#Seriealbum