Enid Blyton.
The first Famous Five was published in 1942, while the First Secret Seven was published in 1940. The publication of books from the different series seem to overlap at times.
There are 15 books in the series.
There are a lot of books by Enid Blyton, such as The Famous Five series, The Secret Seven series, The Five Find-Outers series, and many more. Like the Noddy series, some of which are reviewed here noddybooks.blogspot.com
Enid Blyton
Enid Blyton's hobby was writing. She was a prolific author who wrote numerous children's books, including the Famous Five and Secret Seven series.
15 and 7 short stories
There are 15 books in the Secret Seven series by Enid Blyton, each featuring the adventures of a group of child detectives who solve mysteries together.
Famous five secret 7 and Malory towers series
Enid (Mary) Blyton (1897-1968)The Secret Island was published in 1938 while Blyton was at her age of 40. This fast-moving story, woven around familiar characters, led to such series as The Famous Five, The Secret Seven, the Adventure series, the Mystery series, and the 'Barney' Mystery books.
George's dog is called Timothy and nicknamed either Tim or Timmy in the series.
You can find free downloads of the Secret Seven books in the public domain on sites like Project Gutenberg or through libraries that offer eBooks for borrowing. However, please note that many of Enid Blyton's works are still under copyright, so be sure to check the copyright status before downloading.
Enid Blyton wrote over 700 books, including various series such as the Famous Five, Secret Seven, Malory Towers, and the Adventure series. Her works have been translated into numerous languages and continue to be popular worldwide.