Two superb books in one from Enid Blytons best-selling adventure series. Nothing could be more exciting than a night flight on Bills plane. But in The Valley of Adventure , Philip, Dinah, Lucy-Ann, Jack, and Kiki the parrot fly straight into terrible danger. In The Sea of Adventure , the children find themselves marooned on a desolate coast, playing a dangerous game of hid Two superb books in one from Enid Blytons best-selling adventure series. Nothing could be more exciting than a night flight on Bills plane. But in The Valley of Adventure , Philip, Dinah, Lucy-Ann, Jack, and Kiki the parrot fly straight into terrible danger. In The Sea of Adventure , the children find themselves marooned on a desolate coast, playing a dangerous game of hide-and-seek with an unknown enemy.