
Appointment with Death is a work of detective fiction by British writer Agatha Christie, first published in the UK by the Collins Crime Club on 2 May 1938 and in the US by Dodd, Mead and Company later in the same year. The UK edition retailed at seven shillings and sixpence (7/6) and the US edition at $2.00.

Artists in Crime is a detective novel by Ngaio Marsh; it is the sixth novel to feature Roderick Alleyn, and was first published in 1938. The plot concerns the murder of an artists' model; Alleyn's love interest Agatha Troy is introduced.

Brighton Rock is a novel by Graham Greene, published in 1938 and later adapted for film in 1947 and 2010. The novel is a murder thriller set in 1930s Brighton. The title refers to a confectionery traditionally sold at seaside resorts, which in the novel is used as a metaphor for the personality of Pinkie, which is the same all the way through. There are links between this novel and Greene's earlier novel A Gun for Sale (1936), because Raven's murder of the gang boss Kite, mentioned in A Gun For Sale, allows Pinkie to take over his gang and thus sets the events of Brighton Rock in motion.

Can Ladies Kill? is a crime novel by British author Peter Cheyney first published in 1938 by William Collins, Sons & Co. Ltd. Set in San Francisco and featuring Cheyney's creation, G-Man Lemmy Caution, it belongs to the hardboiled school of crime writing.
Cause for Alarm is a novel by Eric Ambler first published in 1938. Set in Fascist Italy in that year, the book is one of Ambler's classic spy thrillers.

The Circus Is Coming is a children's novel by Noel Streatfeild, about the working life of a travelling circus. It was first published in 1938 with illustrations by Steven Spurrier. For this novel, Streatfeild was awarded the annual Carnegie Medal from the Library Association, recognising the year's outstanding children's book by a British subject. American editions and some later British editions are titled Circus Shoes.

The Code of the Woosters is a novel by P. G. Wodehouse, first published on 7 October 1938, in the United Kingdom by Herbert Jenkins, London, and in the United States by Doubleday, Doran, New York. It was serialised in The Saturday Evening Post (US) from 16 July to 3 September 1938 and in the London Daily Mail from 14 September to 6 October 1938.

Count Belisarius is a historical novel by Robert Graves, first published in 1938, recounting the life of the Byzantine general Belisarius.

Death in a White Tie is a detective novel by Ngaio Marsh. It is the seventh novel to feature Roderick Alleyn, and was first published in 1938. The plot concerns the murder of a British lord after a party.

The Death of the Heart is a 1938 novel by Elizabeth Bowen set in the interwar period. It is about a sixteen-year-old orphan, Portia Quayne, who moves to London to live with her half-brother Thomas and falls in love with Eddie, a friend of her sister-in-law.

Dr. Bradley Remembers is a 1938 novel by the British writer Francis Brett Young. Along with My Brother Jonathan it was one of only two of his later novels to take place in the Black Country, which had been a frequent setting in his earlier works.

The Fashion in Shrouds is a crime novel by Margery Allingham. It was originally published in 1938 in the United Kingdom by Heinemann, London and in the United States by Doubleday, New York. It is the tenth novel in the Albert Campion series.

Flying Colours is a Horatio Hornblower novel by C. S. Forester, originally published 1938 as the third in the series, but now eighth by internal chronology. It describes the adventures of Hornblower and his companions escaping from imprisonment in Napoleonic France and returning to England. It is one of three Hornblower novels adapted into the 1951 British-American film Captain Horatio Hornblower R.N..

Hercule Poirot's Christmas is a work of detective fiction by Agatha Christie and first published in the UK by the Collins Crime Club on 19 December 1938. It retailed at seven shillings and sixpence (7/6).

Hussein, an Entertainment is an early work written by Patrick O'Brian, published in 1938 under his birth name, Patrick Russ. The story takes place in India of the British Raj period and concerns the adventures of a young man named Hussein. The novel, called an Entertainment by O'Brian, follows Hussein's life from birth to his late teens. Though out of print for many years, Hussein was reprinted in the late 1990s under Patrick O'Brian's name. Kirkus UK stated at that time, this is a book "to read for the fun of the 'entertainment' and the light that it throws on the development of one of the great writers of historical fiction."

Miss Pettigrew Lives for a Day is a novel by Winifred Watson, first published in 1938 by Methuen & Co with illustrations by Mary Thomson. A US edition was published in 1939 by D. Appleton-Century Company.

My Son, My Son is a 1938 novel by the British writer Howard Spring.

Night and the City is the third novel by British author Gerald Kersh, published in 1938. It is a crime thriller set in 1930s London but also deals with social realism themes in the aftermath of the Great Depression.

Out of the Silent Planet is a science fiction novel by the British author C. S. Lewis, first published in 1938 by John Lane, The Bodley Head. Five years later it was published in the U.S.. Two sequels were published in 1943 and 1945, completing the so-called Cosmic Trilogy or The Space Trilogy. Written as a response to earlier genre fiction, it incorporates themes of moral theology and myth in a way typical of other members of The Inklings group.

Prelude for War is a mystery novel by Leslie Charteris featuring his Robin Hood-inspired crime fighter, Simon Templar, alias "The Saint". The book was first published in the United Kingdom in 1938 by Hodder and Stoughton, and in the United States by The Crime Club the same year. Previously, the novel had been serialized in the American magazine Cosmopolitan. Publication of the book marked the 10th anniversary of the Simon Templar character.

Rebecca is a 1938 Gothic novel by English author Dame Daphne du Maurier. It concerns an unnamed young woman who impetuously marries a wealthy widower, only to discover that he and his household are haunted by the memory of his late first wife, the title character. A best-seller which has never gone out of print, Rebecca sold 2.8 million copies between its publication in 1938 and 1965. It has been adapted numerous times for stage and screen, including a 1939 play by du Maurier herself, the film Rebecca (1940), directed by Alfred Hitchcock, which won the Academy Award for Best Picture, and the 2020 remake directed by Ben Wheatley for Netflix.

Royal Escape is a historical novel written by Georgette Heyer about the escape of Charles II. It is set in 1651 during the English Commonwealth.

Ruined City is a 1938 novel by Nevil Shute, published by Cassell in the UK. In the US, the book was published by William Morrow under the title Kindling.

Scoop is a 1938 novel by the English writer Evelyn Waugh. It is a satire of sensationalist journalism and foreign correspondents.

A Ship of the Line is an historical seafaring novel by C. S. Forester. It follows his fictional hero Horatio Hornblower during his tour as captain of a ship of the line. By internal chronology, A Ship of the Line, which follows The Happy Return, is the seventh book in the series. However, the book, published in 1938, was the second Hornblower novel completed by Forester. It is one of three Hornblower novels adapted into the 1951 British-American film Captain Horatio Hornblower R.N..

The Spanish House is a 1938 novel by the British writer Eleanor Smith.

The Sword in the Stone is a novel by British writer T. H. White, published in 1938 as a stand-alone work, but later became the first part of a tetralogy, The Once and Future King. A fantasy of the boyhood of King Arthur, it is a sui generis work which combines elements of legend, history, fantasy and comedy. Walt Disney Productions adapted the story to an animated film, and the BBC adapted it to radio. Time included the novel in its list of the 100 Best Young-Adult Books of All Time.

They Drive By Night is the second novel by British author James Curtis published in 1938. It is a crime thriller set in 1930s London and the North of England dealing with working-class themes in a Social realism style.

This Publican is a 1938 novel by the English author Dornford Yates. It was first serialised in Woman's Journal. It was published in the US under the title The Devil in Satin.