Almanacco Topolino #256 was published by Arnoldo Mondadori Editore on April 1, 1978, as part of a series that began in 1957. Carl Fallberg and Del Connell write, and art comes from Al Hubbard, Bob Gregory and Giorgio Cavazzano. It features Donald Duck, Huey, Dewey, Louie and Mickey Mouse, among 21 characters catalogued on VerseDB.