The Secret Series (Enid Blyton)

First edition of The Secret Island
(publ. Basil Blackwell, 1938)
Cover art by E. H. Davie

The Secret Series is a series of adventure novels written by Enid Blyton. There are six books, as follows:

  • The Secret Island
  • The Secret of Spiggy Holes
  • The Secret Mountain
  • The Secret of Killimooin (Retitled as The Secret Forest)
  • The Secret of Moon Castle

A sixth book in the series, The Secret Valley, was written by Trevor J. Bolton and published by Award in 2009.

The series was made into a television serial by Cloud 9 screen entertainment in 1996.[1][2]