Information: - Historical fiction is a literary genre in which the plot takes place in a setting located in the past. Historical fiction can be an ambiguous term: frequently it is used as a synonym for describing the historical novel; however, the term can be applied to works in other narrative formats, such as those in the performing and visual arts like theatre, opera, cinema, television, comics, and graphic novels. - The Gryphon 's Skull is a historical fiction novel written by H. N. Turteltaub . It follows the adventures of Menedemos and his cousin , Sostratos . It is the second book in the Hellenic Traders series . - Alexander III of Macedon (20/21 July 356 BC 10/11 June 323 BC), commonly known as Alexander the Great ("Alexandros ho Megas" ), was a king ("basileus") of the Ancient Greek kingdom of Macedon and a member of the Argead dynasty. Born in Pella in 356 BC, Alexander succeeded his father, Philip II, to the throne at the age of twenty. He spent most of his ruling years on an unprecedented military campaign through Asia and northeast Africa, and by the age of thirty he had created one of the largest empires of the ancient world, stretching from Greece to northwestern India. He was undefeated in battle and is widely considered one of history's most successful military commanders. - Hellenic Traders refers to a series of historical fiction books published by TOR and written by H.N. Turteltaub (a pseudonym of Harry Turtledove). The books center around cousins Menedemos and Sostratos who work as seaborne traders in the years following the death of Alexander the Great. The series is notable for a high degree of historical accuracy. - The history of comics has followed different paths in different cultures. Scholars have posited a pre-history as far back as the Lascaux cave paintings. By the mid-20th century, comics flourished particularly in the United States, western Europe (especially in France and Belgium), and Japan. The history of European comics is often traced to Rodolphe Topffer's cartoon strips of the 1830s, and became popular following the success in the 1930s of strips and books such as "The Adventures of Tintin". American comics emerged as a mass medium in the early 20th century with the advent of newspaper comic strips; magazine-style comic books followed in the 1930s, in which the superhero genre became prominent after Superman appeared in 1938. Histories of Japanese comics and cartooning ("") propose origins as early as the 12th century. Modern comic strips emerged in Japan in the early 20th century, and the output of comics magazines and books rapidly expanded in the post-World WarII era with the popularity of cartoonists such as Osamu Tezuka. had a lowbrow reputation for much of its history, but towards the end of the 20th century began to find greater acceptance with the public and in academia. Given the information, choose the subject and object entities that have the relation of 'author'.
A:
the gryphon's skull , harry turtledove