It's 1896. Harriet (Harry) Edgbaston and her sister Khuwelsa enjoy their life flitting around the grasslands of East Africa in the ornithopter her father bought for her.
But on a trip to see Lieutenant Schmidt of the German Army they become mixed up in what looks like becoming a major war. Escaping from captivity they must try to warn their father in Zanzibar - but who will believe a couple of teenage girls?
Now includes bonus story: Journey into Space, 1874