"Though unoriginal in theme," says Hawkes (1985:239), "its description of air travel, written in a pre-aeroplane age, is exhilarating and rather impressive."
"Meskipun temanya tidak asli," kata Hawkes (1985:239), "ini mendeskripsikan perjalanan udara, ditulis pada masa sebelum ada pesawat terbang, sangat ,menggembirakan dan lumayan impresif."