Translated into 34 languages
Brazil: Editoria Planeta do Brasil
Bulgaria: Emas
Czech Republique: Euromedia Group
Denmark: Bonniers Bogklubber
Estonia: Tammerraamat Publishing House
France (Esperanto) : SAT-Esperanto
Germany : Verlagsgruppe Random House GmbH
Greece: Patakis Publishers
Hungary: Ikar
Iceland: Vakka-Helgafell
Indonesia: Pustaka Alvabet
India / Kerala - Malayalam : Pokya
Israel: Keter
Italy: Piemme
Japan: Sony Magazines
Korea : Woolisma
Latvia : Setava Publishing
Lithuania: Musa Knyga
Netherlands: Arena
Norway : Ganesa
Poland: Bertelsmann media
Portugal: Asa Edicoes
Rumania : Rao Books
Russia: Ripol Classic
Serbia: IP Sezam Book
Slovenia : Ucila
Slovakia : Ikar
Spain: Martinez Roca
Sweden: Wählstrom & Widstrand
Taiwan: The Eurasian Publishing Group
Turkey: Bigli Yayinevi
United Kingdom: Transworld Publishers Ltd
United States: Warner Books
Vietnam: Nha Nam Publishing and Communications JSC