The Island of Adventure (Book Review) #1944Club

This is my final entry for the #1944Club:

Title: The Island of Adventure (published in the US as Mystery Island)
Author: Enid Blyton
Illustrator: Stuart Tresilian
Publication: Macmillan, 1944
Genre: Juvenile mystery series

Plot: In this series launch, Blyton sets the scene with the two pairs of siblings who will feature in all eight Adventure books.