10 most difficult lit­er­a­ture riddles

He is known for his use of humor and for his mastery of the "short short" form stories of 1 to 3 pages, often with ingenious plotting devices and surprise endings. His short story called "Knock" has only two sentences: "The last man on Earth sat alone in a room. There was a knock on the door..."

Brian Wilson Aldiss, OBE (1925 -2017) was an English writer and anthologies editor, best known for science fiction novels and short stories. Greatly influenced by science fiction pioneer H. G. Wells. He was co-president of the Birmingham Science Fiction Group. He received two Hugo Awards, one Nebula Award, and one John W. Campbell Memorial Award. He wrote the short story "Super-Toys Last All Summer Long" (1969), the basis for the Stanley Kubrick-developed Steven Spielberg film A.I. Artificial Intelligence (2001).

The Divine Comedy is composed of 14,233 lines that are divided into three canticas – Inferno (Hell), Purgatorio (Purgatory), and Paradiso (Paradise) – each consisting of 33 cantos . The number "three" is prominent in the work, represented in part by the number of canticas and their lengths. Additionally, the verse scheme used, terza rima, is hendecasyllabic with the lines composing tercets according to the rhyme scheme aba, bcb, cdc, ded,

Pietro Aretino (19 or 20 April 1492 – 21 October 1556) was an Italian author, playwright, poet, satirist and blackmailer, who wielded influence on contemporary art and politics and developed modern literary pornography.

Pedanius Dioscorides (40 – 90 AD) was a Greek physician, pharmacologist, botanist, and author of De Materia Medica - a 5-volume Greek encyclopedia about herbal medicine and related medicinal substances (a pharmacopeia), that was widely read for more than 1,500 years. He was employed as a physician in the Roman army.

Robert Lawrence Stine, sometimes known as Jovial Bob Stine and Eric Affabee, is an American novelist, short story writer, television producer, screenwriter, and executive editor. He is the author of hundreds of children's horror fiction novels, including the books in the Fear Street, Goosebumps, Rotten School, Mostly Ghostly, and The Nightmare Room series.

Giacomo Casanova was an Italian adventurer, Scottish Rite Master Mason and author from the Republic of Venice. Casanova's "Icosameron", or, The story of Edward and Elizabeth: who spent eighty-one years in the land of the Megamicres, original inhabitants of Protocosmos in the interior of our globe

In Greek mythology, Styx is a deity and a river that formed the boundary between Earth and the Underworld (the domain often called Hades, which also is the name of its ruler). There are five rivers in Hades: Styx, Phlegethon, Acheron, Lethe, and Cocytus. All these rivers converge at the center of the underworld on a great marsh, which sometimes, also is called the Styx.

Corín Tellado (1927- 2009) was a prolific Spanish writer of romantic novels and photonovels that were best-sellers in several Spanish-language countries. She published more than 5,000 titles and sold more than 400 million books which have been translated into several languages. She was listed in the 1994 Guinness World Records as having sold the most books written in Spanish, and earlier in 1962 UNESCO declared her the most read Spanish writer after Miguel de Cervantes.

Ennius was a writer and poet who lived during the Roman Republic. He is often considered the father of Roman poetry. Although only fragments of his works survive, his influence in Latin literature was significant, particularly in his use of Greek literary models. Annales is his most famous work, and the first epic poem that covered the early history of the Roman state.