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"It is a book of remarkable ingenuity and interest."--Educational Times.
"The most ingenious brain in England ... a fascinating new book."--Evening News.
"A capital book of posers."--Daily News.
"The Puzzles ... reach the limit of ingenuity and intricacy; and it is well for the sanity of his readers that the author gives a list of solutions at the end of the book."--Observer.
"A book that will provide much entertainment for Christmas gatherings ... ingenious puzzles and problems invented by 'Sp...