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Publication Order of The Secret Seven Books
| The Secret Seven | (1949) | Hardcover  Paperback  Kindle |
| Secret Seven Adventure | (1950) | Hardcover  Paperback  Kindle |
| Well Done, Secret Seven | (1951) | Hardcover  Paperback  Kindle |
| Secret Seven on the Trail | (1952) | Hardcover  Paperback  Kindle |
| Go Ahead Secret Seven | (1953) | Hardcover  Paperback  Kindle |
| Good Work, Secret Seven | (1954) | Hardcover  Paperback  Kindle |
| Secret Seven Win Through | (1955) | Hardcover  Paperback  Kindle |
| Three Cheers, Secret Seven | (1956) | Hardcover  Paperback  Kindle |
| Secret Seven Mystery | (1957) | Hardcover  Paperback  Kindle |
| Puzzle for the Secret Seven | (1958) | Hardcover  Paperback  Kindle |
| Secret Seven Fireworks | (1959) | Hardcover  Paperback  Kindle |
| Good Old Secret Seven | (1960) | Hardcover  Paperback  Kindle |
| Shock for the Secret Seven | (1961) | Hardcover  Paperback  Kindle |
| Look Out, Secret Seven | (1962) | Hardcover  Paperback  Kindle |
| Fun for the Secret Seven | (1963) | Hardcover  Paperback  Kindle |