This is a genuine, straightforward detective story of the kind that
keeps the reader on the _qui vive_. Martin Hewitt, investigator, might
well have studied his methods from Sherlock Holmes, so searching and
successful are they.
"Better than Sherlock Holmes."--_New York Tribune_.
"The reader who has a grain of fancy or imagination may be defied to lay
this book down, once he has begun it, until the last word has been
reached."--_Philadelphia North American_.
"If you like a good detective story you will enjoy this."--_Brooklyn
Eagle_.
"We have found 'The Red Triangle' a book of absorbing
interest."--_Rochester Herald_.
"Will be eagerly read by every one who likes a tale of mystery."--_The
Scotsman, England_.
*Prince Hagen.* By UPTON SINCLAIR, author of "King Midas," etc.