Some foxing. Small chips and tears to margins of dust-jacket. Dust-jacket is price-clipped. Dust-jacket protected in archival mylar cover.; No date [1939]. v, [1], 250 pages + black-and-white frontispiece. Red cloth boards with black lettering on spine and front board. Page dimensions: 195 x 129mm. Children's novel. "[. . .] he started a thing which had always been in his dreams - flight in a gigantic airliner from England to India. But what was to be a perfect holiday flight turned out very differently, for the sinister Sud Ben Ali began to operate against Frank's father and the lives of the trio were in great danger. Mystery, adventure, breathless escapes in the air and on the land make this one of the most enthralling air stories conceivable." - from dust-jacket blurb.