Teach Yourself is currently an imprint of Hodder Education and formerly a series published by the English Universities Press (a subsidiary company of Hodder & Stoughton)  that specializes in self-instruction books. The series, which began in 1938, is most famous for its language education books, but its titles in mathematics (including algebra and calculus) are also best sellers, and over its long history the series has covered a great many other subjects as well.  "A Concise Guide to Teach Yourself", compiled by A R Taylor, was published in 1958 and listed all the titles up until then. 
The Teach Yourself books were published from 1938 until 1966 under the imprint English Universities Press, owned by Hodder & Stoughton. Leonard Cutts (1904-1992) was overall editor from the start,  and he remained the editor until 1964.  Most titles published during the Second World War were aimed at helping the British nation survive as well as improving knowledge in the subjects that would advance the war effort. Teach Yourself to Fly by Nigel Tangye was published on the eve of the Second World War. It was immediately recommended by the Air Ministry to prospective RAF pilots. Teach Yourself Radio Communication and Teach Yourself Air Navigation were added to the list in 1941. There was a big demand for these books, especially as supplies were constrained by wartime paper shortages. In June 1941 The Times reported that "sailors, soldiers and airmen have helped to bring the figures of Teach Yourself Mathematics (by John Davidson, 1938) and Teach Yourself Trigonometry (by Percival Abbott, 1940) to nearly 50,000 apiece".  Barely two months later the number had risen to 80,000 each. 
By the 50th anniversary in 1988 some 40 million copies of the Teach Yourself series had been sold, with the books generating a turnover of over £1 million. 
Like many similar series, Teach Yourself has always used a common design for all of its books. Most older titles are covered with a distinctive yellow and blue, (formerly black), dust jacket, but over the years the publisher has changed the cover design several times, using an all-blue paperback format during the 1980s, a larger photographic or painted front cover with a black stripe containing the title in the 1990s, and recently adopting a yellow rounded rectangle with a black border as their primary logo in the 21st century.
The earliest (EUP) volumes in the series were published in 1938 priced at two shillings and sixpence. The first five books to be published were adaptations from earlier works, but subsequently all were newly commissioned.  The original numbering scheme reached to over 700.  Notable early titles included:
Subjects covered in the series ranged from the vocational (Teach Yourself Banking by John Burgess Parker) to practical home help (Teach Yourself Bringing up Children, Teach Yourself Dressmaking, Teach Yourself Gas in the House, The Teach Yourself Letter Writer), to hobbyist (Teach Yourself Bee-Keeping, Teach Yourself Etching), and language learning (with Arabic, Chinese, French, German, Greek and Hindustani among the earliest titles). The books even stretched to highly technical subjects (Teach Yourself Chemistry, Teach Yourself Atomic Physics) and to the arts (Teach Yourself to Compose Music). One of the most extreme was Teach Yourself Jet Engines and Rocket Propulsion by Patrick Joseph McMahon, published in 1964.
A Concise Guide to Teach Yourself was published in 1958, listing all the titles then available, although the official numbering only began in 1949, so the books published before them were assigned numbers posthumously. 
Books in the Teach Yourself series have been published since 1966 by Hodder & Stoughton, who shifted the format of the books to trade paperbacks in 1973. For 2010, the books had a total redesign, and were printed in colour for the first time. Today they are available around the English-speaking world and cover numerous subjects, from language education to computers, games, and other crafts and hobbies.  The company now specialises in self-instruction courses through books, audio and multimedia, with a particular emphasis on languages.
The Teach Yourself Languages range is available in over 65 languages and is available at four different levels. The Teach Yourself Languages range grade the four levels used against the Common European Framework of Reference for Languages (CEFR). In their 2012 range, Teach Yourself introduced a feature called Discovery Method. After each conversation has been practised, the Discovery Method provides further explanation through focusing on usage and practice rather than the focus on rules found in the traditional inductive method.
Get Talking and Get Started Series: The first two strands, Get Talking (audio course) and Get Started, are aimed at absolute beginners and those who have not learnt a language since school. Get Talking is an all-audio course designed to teach basic speaking in a short period. Get Started In is a more comprehensive course tackling all four skills (reading, writing, listening and speaking).
Complete... Series: The third strand is the Complete course, which is again aimed at absolute beginners, but is longer and covers a greater range of material. The Complete range offers the broadest range of products in the Teach Yourself Languages series as it covers all 65 languages available from Teach Yourself.  The Complete range includes many of the language volumes earlier included in the Teach Yourself series before the Complete language sub-series was devised.
Enjoy... Series: Enjoy is the fourth level, introducing further vocabulary and grammar. This series was formerly marketed as the "Perfect your..." series.
The All That Matters series is a series of short introductions to various subjects, intended to allow readers to "quickly discover all that matters about" their subjects. As of December 2021 [update] , its titles include: 
Nigel Tranter OBE was a writer of a wide range of books on castles, particularly on themes of architecture and history. He also specialised in deeply researched historical novels that cover centuries of Scottish history.
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Robert Harbin was a British magician and author. He is noted as the inventor of a number of classic illusions, including the Zig Zag Girl. He also became an authority on origami.
A book series is a sequence of books having certain characteristics in common that are formally identified together as a group. Book series can be organized in different ways, such as written by the same author, or marketed as a group by their publisher.
Edmund Cooper was an English poet and prolific writer of speculative fiction, romances, technical essays, several detective stories, and a children's book. These were published under his own name and several pen names.
Literae humaniores, nicknamed classics, is an undergraduate course focused on classics at the University of Oxford and some other universities. The Latin name means literally "more human literature" and was in contrast to the other main field of study when the university began, i.e. res divinae, also known as theology. Lit. hum, is concerned with human learning, and lit. div. with learning treating of God. In its early days, it encompassed mathematics and natural sciences as well. It is an archetypal humanities course.
CHERUB is a series of teenage spy novels written by English author Robert Muchamore, focusing around a fictional division of the British Security Service called CHERUB, which employs children, predominantly orphans, 17 or younger as intelligence agents.
Stewart Henry Perowne OBE, KStJ, FSA, FRSA was a British diplomat, archaeologist, explorer and historian who wrote books on the history and antiquities of the Mediterranean. Despite his homosexuality, in 1947 he married the explorer and travel writer Freya Stark. The marriage was dissolved in 1952.
Hodder & Stoughton is a British publishing house, now an imprint of Hachette.
Rebecca Levene is a British author and editor. She is the author of The Hollow Gods fantasy novel series. In the 1990s, she was an editor at Virgin Books, including notably of the New Adventures series.
Arthur Stanley Tritton was a British Arabist. He wrote a number of books on Islam and its history, and from 1938 to 1946 was Professor of Arabic at the School of Oriental and African Studies.
Sophie Hannah is a British poet and novelist. From 1997 to 1999 she was Fellow Commoner in Creative Arts at Trinity College, Cambridge, and between 1999 and 2001 a junior research fellow of Wolfson College, Oxford. She lives with her husband and two children in Cambridge.
James Denney was a Scottish theologian and preacher. He is probably best known today for his theological articulation of the meaning of the atonement within Christian theology, atonement for him being “the most profound of all truths”. Many have misunderstood his position, arguing that he was known for his defense of the doctrine of penal substitution. However, Denny himself protested vigorously against this characterization.
Elizabeth Scurfield is a British sinologist.
Adrienne Kennaway is an illustrator and writer of children's picture books. She won the 1987 Kate Greenaway Medal from the Library Association, recognising the year's best children's book illustration by a British subject.
For Beginners LLC is a publishing company based in Danbury, Connecticut, that publishes the For Beginners graphic nonfiction series of documentary comic books on complex topics, covering an array of subjects on the college level. Meant to appeal to students and “non-readers,” as well as people who wish to broaden their knowledge without attending a university, the series has sold more than a million copies.
Mel Thompson is an English writer and philosopher. He was formerly a teacher, editor and A level examiner.
Nigel Cumberland is a British author, leadership coach and mentor, and a founder of The Silk Road Partnership. He is the author of nine self-development and leadership books, some of which have been serialised, and also translated into over 25 foreign languages.
"Teach Yourself Heath" is the name of a one-sided 33rpm flexi-disc by Monty Python which was given away free with issue 27 of ZigZag magazine in December 1972 and also included inside initial copies of their third album Monty Python's Previous Record.