The Riddle of Holiday House is a children?s novel written by Enid Blyton. This is the first title in The Young Adventurers collection, originally published as the Riddle Series in 1997 by HarperCollins.
Summary of the Book
Nick Terry, Katie Terry, Gareth, David and Sophie, Laura, and Mike and Penny are the young adventurers. Nick and Katie are excited about staying at Holiday House with hilarious characters as chattering Clare and gloomy Gareth. There is so much to explore - like the abandoned house where a light shines every night. Yet, when the young adventurers approach the house, there seems to be no way in ? until they find an underground tunnel in a cave. But the children realize that they are not the only ones to have learned about the tunnel and the house hides more than one single