As You Like It by William Shakespeare’s contains Shakespeare’s 7 Ages of Man theory.
In Beloved (novel) by Toni Morrison the number seven seems to have recurring significance, Beloved has seven letters, 124 adds up to seven, each chapter begins on a number containing seven, and the second chapter contains seven parts.
The original British version of Anthony Burgess’ novel A Clockwork Orange is split into three sections of seven chapters.
In the Fushigi Yuugi manga series, the four beast gods each have seven warriors, the Genbu Seven, the Byakko Seven, the Seiryuu Seven, and the Suzaku Seven.
In the Harry Potter series of novels by J.K. Rowling, seven is said to be the most powerfully magical number. There are a number of references to seven in Harry Potter: there are a total of seven books in the series; Ginny Weasley is the seventh child and only daughter of the Weasley family; Harry Potter was born in July, the seventh month of the year; Wizarding students must complete seven years of school at Hogwarts; There are seven secret passages leading out ofHogwarts; Seven is also the number on the back of Harry Potter’s Quidditch robes (Prisoner of Azkaban movie). Professor Moody was also hidden in a chest with an underground cubby, which was locked with seven locks Harry Potter and the Goblet of Fire. In Quidditch each team consists of seven players. Chapter four of Book 7 is titled “The Seven Potters”. Lord Voldemort planned in making six Horcruxes (objects containing parts of his soul), so that his soul would exist in seven parts, although he made an extra one.
In The Lost Years of Merlin series, a book is titled “The Seven Songs of Merlin”
In the One Piece series, the Shichibukai (literally, “Seven Military Seas”, known in the English versions as the “Seven Warlords of the Sea”) are seven powerful pirates who work for the government.
The Saga of Seven Suns, a series of seven novels by Kevin J. Anderson.
In Neil Gaiman’s Sandman series, there are 7 Endless: Destiny, Death, Dream, Destruction, Despair, Desire and Delirium.
The Secret Seven, name of a children’s adventure book by Enid Blyton
In the Septimus Heap series, Septimus Is the seventh son of a seventh son, 7 is believed to be the most magykal number. There will also be 7 books in the series, along with many other things relating to the number 7.
Aleksis Kivi’s “Seven Brothers”, the most famous book of Finnish literature
The Seven Dials Mystery by Agatha Christie
The Seven Habits of Highly Effective People, a book by Stephen Covey
Seven Pillars of Wisdom, a book written by T.E. Lawrence
The book Seven Years in Tibet
The novel Seven Days in May, written by Fletcher Knebel
In The Silmarillion, also a Tolkien work, there are seven Lords of the Valar, and seven Ladies of the Valar; Fëanor, a central character, has seven sons: Maedhros, Maglor, Celegorm, Curufin, Caranthir, Amrod, and Amras.
In George R.R. Martin’s A Song of Ice and Fire, seven gods, the Mother, the Father, the Warrior, the Crone, the Smith, the Maiden, and the Stranger, are worshipped in the land of Westeros, which is made up of seven former kingdoms and often called the Seven Kingdoms. The Seven are the primary deities of Westeros.
In W.E.B. Du Bois’s book The Souls of Black Folk, he refers to “the Negro” as “the seventh son”.
In The Tales of Alvin Maker, an alternate history fantasy series by Orson Scott Card, seventh sons are imbued with special powers, referred to as “knacks”, over the physical world. The powers of a seventh son of a seventh son, the birthright of the series’ main character, Alvin Smith, are especially pronounced. Men who wield these powers to create are referred to as “Makers.”
In The Two Towers, the second volume of J.R.R. Tolkien’s The Lord of the Rings, the following poem appears: “Tall ships and tall kings/Three times three/What brought they from the foundered land/Over the flowing sea?/Seven stars and seven stones/And one white tree.” The “foundered land” is Númenor, and the “Seven Stars” are unknown, but they may refer to a constellation, the Sickle of the Valar. The Seven Stones are the palantíri, the seeing-stones. The number seven was also significant to Dwarvish culture as portrayed by Tolkien: there were seven fathers of the Dwarves (as recounted in The Silmarillion) and the Dwarves were later given seven rings by Sauron (according to The Lord of the Rings).