ISBN-13: 9781523212989 / Angielski / Miękka / 2016 / 262 str.
ISBN-13: 9781523212989 / Angielski / Miękka / 2016 / 262 str.
The plot has been related to invasion literature of the time. The novel has been variously interpreted as a commentary on evolutionary theory, British imperialism, and generally Victorian superstitions, fears and prejudices.