"The most curious boy of mechanical bent would find such a book satisfying."—Westminster Gazette.

THE ROMANCE OF MODERN MANUFACTURE. A Popular Account of the Marvels of Manufacturing. 5s.

"A popular and practical account of all kinds of manufacture."—Scotsman.

"Just the sort of book to put into the hands of senior boys as a school prize."—Sheffield Telegraph.

HEROES OF THE SCIENTIFIC WORLD. An Account of the Lives, Sacrifices, Successes, and Failures of some of the greatest Scientists in the World's History. With 19 Illustrations. Extra crown 8vo, 5s.

"The whole field of science is well covered.... Every one of the 300 odd pages contains some interesting piece of information."—Athenæum.

THE AUTOBIOGRAPHY OF AN ELECTRON. With 8 Illustrations. Long 8vo, 3s. 6d. net.

"A brilliant study."—Daily Mail.

"Quite a unique book in its way, at once attractive and illuminating."—Record.

THE WONDERS OF MODERN ELECTRICITY. With 17 Illustrations and Diagrams. Extra crown 8vo, 2s.