In 1914 Emmanuel Rougier wrote a book about Christmas Island: "ILE CHRISTMAS - South Seas", (Océanie), printed by L. Watel, Brioude, France.
The source of this copy is the National Library of Australia.
You can download here the French part of the book, the English one, the content only or the complet book each as PDF file.
Rougier French Part
Rougier English Part
Rougier Complete Book