Transcriber's Notes:
1. Page Scan Source: Google Books
https://books.google.com/books?id=oILQAAAAMAAJ
(the University of Wisconsin-Madison)

The Philadelphia Item says: "This book is quite up to the level of the highstandard which Mr. Hume has set for himself in 'The Mystery of a Hansom Cab' and'The Rainbow Feather.' It is a brilliant, stirring adventure, showing theauthor's prodigious inventiveness, his well of imagination never running dry."
12mo, Cloth bound, $1.25
The Nashville American says: "The plot is intricate with mystery andprobability neatly dovetailed and the solution is a series of surprisesskillfully retarded to whet the interest of the reader. It is excellentlywritten and the denouement so skillfully concealed that one's interest andcuriosity are kept on edge till the very last. It will certainly be a popularbook with a very large class of readers."
12mo, Cloth bound, $1.25
Paper covers, 50cts.
The Boston Ideas says "The plot is worked out very effectively and eachcharacter serves the author's purpose very forcibly. The narration is brisk andexperienceful, and renders the tale thoroughly enjoyable. It is stronglywritten, and excellently colored in all its features."
12mo, Cloth bound, $1.25
Paper covers, 50cts.
The Philadelphia Item says: "It is a very clever story, which runs onsmoothly from start to finish, holding the reader's interest--as do everysolitary one of the Hume stories, to the very last sentence. Everybody who likesgood detective fiction or who has read Mr. Hume before should not miss thisexcellent story."
Paper cover, 50cts.

Lola pulled a white packet from her breast and ran with it to thefire. George shot past her, snatched them out before they could catch alight,and thrust them into his pocket.--(Page 296.