Three new volumes have appeared in the series known as
" The Romanee of Reality " (T. C. and E. C. Jack, 3s. ed. each). All of them give popular accounts of recent scientific discoveries. Modern Inventions, by Mr. V. E. Johnson, covers numerous branches of science, most space, however, being given to flying machines and to various applications of electricity. Electricity is the sole subject of the second of these books, written by Mr. W. H. McCormick. Many of its innumerable uses are explained in non-technical language, while a last chapter entitled " What is Electricity P" touches' upon some fundamental questions as to the physical nature of the universe. Lastly, Mr. Gordon D. Knox writes upon Engineering, and ranges over such subjects as canal-cutting, bridge-building, railway construction, and mining. He adds a chapter upon engineering in war, in which some of the lessons learnt during the present campaign are set out.
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