Passages in italics were indicated by _underscores_.

Passages in bold were indicated by =equal signs=.

Small caps were replaced with ALL CAPS.

Throughout the document, the oe ligature was replaced with "oe".

Throughout the dialogues, there were words used to mimic accents of the speakers. Those words were retained as-is.

The illustrations have been moved so that they do not break up paragraphs and so that they are next to the text they illustrate.

Errors in punctuations and inconsistent hyphenation were not corrected unless otherwise noted.

On the title page, "DISSAPEARANCE" was replaced with "DISAPPEARANCE".

On page 69, "Emile" was replaced with "Émile".