"Entertaining and readable, partaking more of the nature of stories of adventure than of the conventional detective kind, but in each case containing a genuine mystery and an ingenious elucidation of the same."
Pall Mall Gazette—
"A lively and varied series of cosmopolitan crime, with plenty of mixed adventure and sensation. Such stories always fascinate, and Major Arthur Griffiths knows well how to tell them."
Gentlewoman—
"Exciting and well sustained, by no means the ordinary class of detective story, but takes one all over the world and introduces an abundance of adventure."
Glasgow Herald—
"Carries the reader forward with unflagging zest."
Aberdeen Free Press—
"An engaging book of private detective stories by this well-known writer, he writes brightly and retains the reader's attention throughout."
Daily News—