In the Science for Children Series. Illustrated. 4s. 6d. nett each.

OUR GOOD SLAVE ELECTRICITY.

THE GREAT BALL ON WHICH WE LIVE.

THE STARS & THEIR MYSTERIES.

WAR INVENTIONS & HOW THEY WERE INVENTED.

CHEMISTRY & ITS MYSTERIES.

In the Science of To-Day Series. Illustrated. 7s. 6d. nett each.

SCIENTIFIC IDEAS OF TO-DAY. A Popular Account of the Nature of Matter, Electricity, Light, Heat, &c. &c.

“Explained without big words, with many interesting pictures, and with an ease in exposition.”—Scotsman.

ELECTRICITY OF TO-DAY; Its Work and Mysteries described in Non-technical Language. With 30 Illustrations.

“A masterly work.”—Globe.

In the Romance Library. Illustrated. 6s. nett each.

THE ROMANCE OF MODERN ELECTRICITY. What is known about Electricity and many of its interesting applications.

“Clear and concise.”—Graphic.

THE ROMANCE OF MODERN PHOTOGRAPHY.

“There is not a dry or uninteresting page throughout.”—Country Life.

“The narration is everywhere remarkable for its fluency and clear style.”—Bystander.

THE ROMANCE OF MODERN MANUFACTURE.

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

THE ROMANCE OF SCIENTIFIC DISCOVERY.

HEROES OF THE SCIENTIFIC WORLD. The Lives, Sacrifices, Successes, and Failures of some of the greatest Scientists. With 19 Illustrations.

“The whole field of science is well covered.... Every one of the 300 and odd pages contains some interesting piece of information.”—AthenÆum.

WHAT IS ELECTRICITY. Long 8vo. With 8 Illustrations. 6s. nett.

“A brilliant study.”—Daily Mail.

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

THE MARVELS OF PHOTOGRAPHY. Illustrated. 5s. nett.

In the Wonder Library. Illustrated. 3s. nett each.

THE WONDERS OF MODERN MANUFACTURE.

THE WONDERS OF WAR INVENTIONS.

THE WONDERS OF MODERN ELECTRICITY. With 17 Illustrations and Diagrams.

WIRELESS TELEGRAPHY. A Popular Description of Wireless Telegraphy and Telephony in which no technical terms are used, and no previous knowledge of the subject assumed. 3s. 6d. nett.

SUBMARINE WARFARE OF TO-DAY. Telling how the Submarine Menace was met & vanquished. By C. W. Domville-Fife, Staff of H.M. School of Submarine Mining. With 53 Illustrations.

“A very striking book, revelation follows revelation, and magnificent stories of fighting & heroism at sea come practically on every page. One of the few war books which will survive the next 10 years.”—Liverpool Courier.

AIRCRAFT OF TO-DAY. A Popular Account of the Conquest of the Air. By Maj. Charles C. Turner, R.A.F. With 62 Illustrations.

“Maj. Turner is well known as an authority on aeronautics. Of real value.”—Aberdeen Journal.

GEOLOGY OF TO-DAY. A Popular Introduction in Simple Language. By J. W. Gregory, F.R.S., D.Sc., Professor of Geology at the University of Glasgow. With 55 Illustrations. Extra Crown 8vo.

“An ideal introduction to a fascinating science. The romance and reality of the earth most brilliantly and soundly presented.”—Globe.

SUBMARINE ENGINEERING OF TO-DAY. By C. W. Domville-Fife, Author of “Submarines of the World’s Navies,” BOTANY OF TO-DAY. A Popular Account of the Evolution of Modern Botany. By Prof. G. F. Scott-Elliot, M.A., B.Sc., F.L.S.

“This most entertaining and instructive book. It is the fruit of wide reading and much patient industry.”—Globe.