Released on 07 November 2008.

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The Valley of Adventure

4.16 based on 1958 ratings & 44 reviews on Goodreads.com

Synopsis

Who are the two strange pilots, and what is the secret treasure hidden in the lonely valley where the children land?

Nothing could be more exciting than a daring night flight on Bill’s plane! But Philip, Dinah, Lucy-Ann and Jack soon find themselves flying straight into a truly amazing adventure.