The following typographical errors in the text were corrected as detailed here.

In the text: "Had she known Mr. Marcus Stepney as well as Jean knew him ... " the name "Joan" was corrected to "Jean."

The words "mud-guard" and "taxi-cab" are inconsistently hyphenated in the original.

In the text: '"Poor soul," said Jack dryly. "but ... "' the period after "dryly" was corrected to a comma.