- https://www.enidblytonsociety.co.uk/five-find-outers.php
- https://en.wikipedia.org/wiki/Five_Find-Outers
- https://www.wopc.co.uk/uk/pepys/find-out
| Title | Published |
|---|---|
| The Mystery of the Burnt Cottage | 1943 |
| The Mystery of the Disappearing Cat | 1944 |
| The Mystery of the Secret Room | 1945 |
| The Mystery of the Spiteful Letters | 1946 |
| The Mystery of the Missing Necklace | 1947 |
| The Mystery of the Hidden House | 1948 |
| The Mystery of the Pantomime Cat | 1949 |
| The Mystery of the Invisible Thief | 1950 |
| The Mystery of the Vanished Prince | 1951 |
| The Mystery of the Strange Bundle | 1952 |
| The Mystery of Holly Lane | 1953 |
| The Mystery of Tally-Ho Cottage | 1954 |
| The Mystery of the Missing Man | 1956 |
| The Mystery of the Strange Messages | 1957 |
| The Mystery of Banshee Towers | 1961 |
Bookshops
- https://www.abebooks.co.uk/book-search/author/enid-blyton/first-edition/
- https://artunderwraps.com/Enid-Blyton.html
- https://www.harringtonbooks.co.uk/pages/author/365/enid-blyton/
- https://www.jonkers.co.uk/author/3175/enid-blyton
- https://www.stellabooks.com/books/enid-blyton
- https://www.greenmeadowbooks.co.uk/home/catalogue91.htm
- https://www.peterharrington.co.uk/the-mystery-of-the-strange-messages-140051.html