By Jostein Gaarder. Seuil (Le) 1995 . 557 p. , Index 22 cm. 2020219492

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=3510 ISBN 9782747033305 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=6248

By Martine Laffon. Bayard jeunesse 2010 . 1 vol. (184 p.) , Bibliogr., 2 p. 19 cm. 9782747033305

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=6248 ISBN 9782013224161 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=21065

By Martine Laffon. Hachette, 2004 9782013224161

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=21065 ISBN 2020550768 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=25646

By Jostein Gaarder. Éd. du Seuil 2002 . 623 p. , Index 18 cm. 2020550768

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=25646 ISBN 9782013229760 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=35594

By Virgile. le Livre de poche jeunesse 2011 . 1 vol. (125 p.) 18 cm. 9782013229760

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=35594 ISBN 9782010009112 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=47121

By Homère, Martine Laffon. Le livre de poche jeunesse 2014 . 1 vol. (192 p.) 9782010009112

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=47121 ISBN 9782081394216 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=47581

By Martine Laffon. Flammarion jeunesse 2017 . 1 vol. (118 p.) 19 cm. 9782081394216

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=47581 ISBN 9782701151496 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=49205

By adaptation de Martine Laffon. Belin | Gallimard 2009 . 1 vol. (126 p.) , Bibliogr., filmogr. p. 123-125. Glossaire 18 cm. 9782701151496

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=49205 ISBN 9782081452046 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=61630

By Martine Laffon. Flammarion 2019 . 1 vol. (153 p.) 9782081452046

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=61630