The Valley of Adventure (The Adventure Series Book 3) by Enid Blyton (Paperback, 2007)

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.

Publisher ‏ : ‎ Macmillan Children's Books
Publication date ‏ : ‎ 7 Nov. 2007
Language ‏ : ‎ English
Paperback ‏ : ‎ 304 pages
ISBN ‏ : ‎ 9780330448352
Reading age  :  8 years and up
Dimensions ‏ : ‎ 13 x 2 x 19.7 cm
Book 3 of 8  :  The Adventure Series