
All Things Betray Thee, by Gwyn Thomas, is a novel of early industrialism in South Wales. It was first published in 1949, and was republished in 1986, with an introduction by Raymond Williams. The book was later republished as part of the Library of Wales series by Parthian Books in 2011.

The Autobiography of a Super-Tramp is an autobiography published in 1908 by the Welsh poet and writer W. H. Davies (1871–1940). A large part of the book's subject matter describes the way of life of the tramp in the United Kingdom, Canada and the United States in the final decade of the 19th century.

Border Country is a novel by Raymond Williams. The book was re-published in December 2005 as one of the first group of titles in the Library of Wales series, having been out of print for several years. Written in English, the novel was first published in 1960.

Ennal's Point is a novel by Alun Richards, first published in 1977.

Fame is the Spur is a novel by Howard Spring published in 1940. It covers the rise of the socialist labour movement in Britain from the mid 19th century to the 1930s. The title comes from John Milton's poem Lycidas: "Fame is the spur that the clear spirit doth raise / / To scorn delights, and live laborious days".

The Fight for Manod (ISBN 0701208090) is a 1979 novel by Raymond Williams.

The Fire People is a historical novel by Alexander Cordell, first published in 1972. It forms part of the 'Second Welsh Trilogy' of Cordell's writings. It tells of events leading up to the 1831 Merthyr Rising in Merthyr Tydfil and surrounding areas in South Wales.

Gifted is the debut novel by author Nikita Lalwani longlisted for the Man Booker Prize and shortlisted for the Costa First Novel Award. It was first published in 2007 by Viking.

A Glastonbury Romance was written by John Cowper Powys (1873–1963) in rural upstate New York and first published by Simon and Schuster in New York City in March 1932. An English edition published by John Lane followed in 1933. It is the second of Powys's Wessex novels, along with Wolf Solent (1929), Weymouth Sands (1934) and Maiden Castle (1936). Powys was an admirer of Thomas Hardy and these novels are set in Somerset and Dorset parts of Hardy's mythical Wessex. The action occurs over roughly a year, and the first two chapters of A Glastonbury Romance take place in Norfolk, where the late Canon William Crow's will is read, and the Crow family learn that his secretary-valet John Geard has inherited his wealth. Also in Norfolk, a romance begins between cousins, John and Mary Crow. However, after an important scene at the ancient monument of Stonehenge, the rest of the action takes place in or near the Somerset town of Glastonbury, which is some twenty miles north of the village of Montacute. Powys's father, the Reverend Charles Francis Powys (1843–1923), was parish priest of Montacute from 1885 to 1918, and it was here that Powys grew up. The grail legends associated with the town of Glastonbury are of major importance in this novel.

The Great God Pan is a horror and fantasy novella by Welsh writer Arthur Machen. Machen was inspired to write The Great God Pan by his experiences at the ruins of a pagan temple in Wales. What would become the first chapter of the novella was published in the magazine The Whirlwind in 1890. Machen later extended The Great God Pan and it was published as a book alongside another story, "The Inmost Light", in 1894. The novella begins with an experiment to allow a woman named Mary to see the supernatural world. This is followed by an account of a series of mysterious happenings and deaths over many years surrounding a woman named Helen Vaughan. At the end, the heroes confront Helen and force her to kill herself. She undergoes a series of unearthly transformations before dying and she is revealed to be a supernatural entity.

The Green Round is a horror novel by Welsh author Arthur Machen. It was originally published by Ernest Benn Limited in 1933. The first U.S. edition was published by Arkham House in 1968 in an edition of 2,058 copies. It was the only book by Machen to be published by Arkham House.

Green, Green My Valley Now is a 1975 novel by Richard Llewellyn. It is the final of three sequels to the better known How Green Was My Valley.

The Hiding Place was the debut novel of Trezza Azzopardi, and was shortlisted for the Booker Prize in 2000. It tells the story of the six daughters of a Maltese family growing up in Cardiff through the eyes of the youngest, Dolores Gauci. She describes her childhood life

The Hill of Dreams is a semi-autobiographical novel by the Welsh writer Arthur Machen.

How Green Was My Valley is a 1939 novel by Richard Llewellyn, narrated by Huw Morgan, the main character, about his Welsh family and the mining community in which they live. The author had claimed that he based the book on his own personal experiences but this was found to be untrue after his death; Llewellyn was English-born and spent little time in Wales, though he was of Welsh descent. Llewellyn gathered material for the novel from conversations with local mining families in Gilfach Goch.

Louie Knight is the hero in the Aberystwyth Noir novels, a series of cult detective novels written by Malcolm Pryce set in an alternative universe of the Welsh town of Aberystwyth, and centring on Aberystwyth's one private eye Louie Knight. While rich in black humour, and Chandleresque dialogue, the stories contain serious elements - humour is derived from the Welsh flavour of what is essentially an American style, with nods to the Vietnam war and gangster movies. The main religions in this alternative Wales are both Christianity and the druids, who are power mad gangsters, who use murder, extortion, prostitution, and even the sweet ladies of the sweet justice league to maintain their influence.

Owen Glendower: An Historical Novel by John Cowper Powys was first published in America in January 1941, and in the UK in February 1942. Powys returned to Britain from the USA in 1934, with his lover Phyllis Playter, living first in Dorchester, where he began work on his novel Maiden Castle. However, in July, 1935, they moved to the village of Corwen, Denbighshire, North Wales, historically part of Edeirnion or Edeyrnion, an ancient commote of medieval Wales that was once part of the Kingdom of Powys; it was at Corwen that he completed Maiden Castle (1936). This move to the land of his ancestors led Powys to write Owen Glendower the first of two historical novels set in this region of Wales; the other was Porius (1951). Owen, Powys's ninth novel, reflects "his increasing sense of what he thought of as his bardic heritage."

People of the Black Mountains is an historical novel by Raymond Williams.

Porius: A Romance of the Dark Ages is a 1951 historical romance by John Cowper Powys. Set in the Dark Ages during a week of autumn 499 AD, this novel is, in part, a bildungsroman, with the adventures of the eponymous protagonist Porius, heir to the throne of Edeyrnion, in North Wales, at its centre. The novel draws from both Arthurian legend and Welsh history and mythology, with Myrddin (Merlin) as another major character. The invasion of Wales by the Saxons and the rise of the new religion of Christianity are central themes. Due to the demands of publishers and a paper shortage in Britain, Powys was forced to excise more than 500 pages from the 1951 version. It wasn't until 2007 that the full novel, as Powys intended his magnum opus to be, was published both in Britain and America.

Rape of the Fair Country is a novel by Alexander Cordell, first published in 1959. It is the first in Cordell's "Mortymer Trilogy", followed by The Hosts Of Rebecca (1960) and Song of the Earth (1969). The book has been translated into seventeen languages. In addition to the book having been adapted for numerous plays over the years and more recently.

Second Generation is a 1964 novel by Raymond Williams, set in the 1960s. The contrasting worlds of the university and the factory, and individuals who try to find their place among contradictory forces.

Song of the Earth is a novel by Alexander Cordell, first published in 1969. It is the final book of Cordell's "Mortymer Trilogy".

This Sweet and Bitter Earth is a historical novel by Alexander Cordell, first published in 1977. It forms part of the 'Second Welsh Trilogy' of Cordell's writings.

The Three Impostors; or, The Transmutations is an episodic horror novel by British writer Arthur Machen, first published in 1895 in The Bodley Head's Keynote Series. It was revived in paperback by Ballantine Books as the forty-eighth volume of the Ballantine Adult Fantasy series in June 1972.

A Toy Epic is a novel by Welsh author Emyr Humphreys. It was first published in 1958. The novel follows the story of three boys as they grow up in 'one of the four corners of Wales', crossing paths until they eventually become good friends. Humphreys first started writing the book in 1945, thirteen years before it was published. The book has been described by critics as a "shining example of literary modernism".