Dino Buzzati-Traverso (] ; 14 October 1906 – 28 January 1972) was an Italian novelist, short story writer, painter and poet, as well as a journalist for "Corriere della Sera".
 His worldwide fame is mostly due to his novel "The Tartar Steppe", but he is also known for his well received collections of short stories.
The Seven Messengers (Italian: I sette messaggeri ) is a collection of short stories written by Dino Buzzati and published as a book in 1942.
 It contains nineteen short tales, in which the characters often interact with the presence of the fantastic and/or death, many of which are left unconcluded, leaving the reader in suspense or trying to guess their ending.
 "The Seven Messengers" is also the name of the book's first short story.
The Unnaturals (Italian: "Contronatura" , German: "Schreie in der Nacht" ) is an Italian-West German gothic horror film directed and written by Antonio Margheriti.
 It is loosely based on Dino Buzzati's short story "Eppure bussano alla porta" from the collection "The Seven Messengers".
Robert Allan Caro (born October 30, 1935) is an American journalist and author known for his biographies of United States political figures Robert Moses and Lyndon B. Johnson.
Il colombre is a 1966 short story collection by the Italian writer Dino Buzzati.
 The titular story introduces a sea monster called the colomber, which became the most famous of Buzatti's monster characters.
The Seventh Floor (Italian: Il fischio al naso ) is a 1967 Italian comedy film directed by and starring Ugo Tognazzi.
 It is based on the short story "Sette piani" by Dino Buzzati, featured in the 1942 short story collection "The Seven Messengers".
 The film was entered into the 17th Berlin International Film Festival.
Il segreto del Bosco Vecchio ("the secret of the Old Woods") is a 1935 novel by the Italian writer Dino Buzzati.
 It tells the story of a general who is about to cut down an old forest for the sake of financial gain, but discovers that the forest is inhabited by invisible spirits.
 Buzzati wrote the novel with inspiration from Arthur Rackham's illustrations for fairy tales and fables.
 He was also inspired by Gustave Doré and the environments of the Dolomites.
Sessanta racconti ("sixty stories") is a 1958 short story collection by the Italian writer Dino Buzzati.
 The first 36 stories had been published previously, while the rest were new.
 Subjects covered include the horror and surreality of life in a modern city, the existential aspects of advanced technology, metaphysical ideas as well as fantasy realms.
 The book received the Strega Prize.
Joanna Wajs (born May 20, 1979 in Warsaw) is a Polish writer, literary critic and literary translator.
 She studied Polish and Italian philology at the University of Warsaw.
 Her prose works and poetry have been published in numerous respected literary periodicals in Poland.
 Her poetry has been translated into several languages, including Italian, Slovenian and Hebrew.
 Her first collection of poems, entitled "Sprzedawcy kieszonkowych lusterek" (pocket mirror salesman), was published in 2004 by the publishing house Zielona Sowa in Krakow.
 This collection won a number of prestigious awards, including the Kazimiera Iłłakowiczówna Prize, which is awarded annually to debut poetry collections by Polish authors.
 She translates from Italian into Polish, including works by Oriana Fallaci, Dino Buzzati, Gian Antonio Stella and Valerio Evangelisti.
 She is also the editor of a column on poetry for the daily newspaper Gazeta Wyborcza.
The Bears' Famous Invasion of Sicily (Italian: La famosa invasione degli orsi in Sicilia ) is a 1945 Italian children's book written and illustrated by Dino Buzzati.
 It tells the story of an armed conflict between the bears and humans of Sicily.
 It is written in novel format, with a great deal of poetry and illustrations as well.

Question: Are Robert Caro and Dino Buzzati both short story authors?
Answer: no