The Secret Seven by Enid Blyton

The Secret Seven by Enid Blyton is a series of books about a group of seven children who solve mysteries together. The books have been popular since they were first published in the 1950s, and they are still enjoyed by readers of all ages today. The Secret Seven books are well-written and exciting, with plenty of twists and turns to keep readers engaged.

The characters are also very likable, and it's easy to root for them as they try to solve each mystery. If you're looking for a fun and engaging series of books to read, the Secret Seven by Enid Blyton is an excellent choice.