THE SCIENCE OF TO-DAY SERIES 



With many illustrations. Extra Crown Zvo. $s. nett. 



AERIAL NAVIGATION OF TO-DAY. A Popular 

 Account of the Evolution of Aeronautics. By CHARLES C. 

 TURNER. 



BOTANY OF TO-DAY. A Popular Account of Recent 

 Notable Discoveries. By Prof. G. F. SCOTT ELLIOT, M.A., 

 B.Sc., Author of " The Romance of Plant Life," 6v. <5rv. 



SCIENTIFIC IDEAS OF TO-DAY. A Popular Account, 

 in Non-technical Language, of the Nature of Matter, Elec- 

 tricity, Light, Heat, Electrons, &c. &c. By CHARLES R. 

 GIBSON, A.I.E.E., Author of" Electricity of To-Day," &c. 

 "Admirably simple and lucid." Globe. 



"Supplies a real need. . . . Mr. Gibson has a fine gift of exposi- 

 tion. " Birmingham Post. 



ASTRONOMY OF TO-DAY. A Popular Introduction in 

 Non-technical Language. By CECIL G. DOLMAGE, LL.D., 

 F.R. A.S. With frontispiece in colours, 6 45 other illustrations. 



"A lucid exposition much helped by abundant illustrations." The 

 Times. 



Dr. Dolmage has absolutely kept to his promise to introduce the 

 reader to an acquaintance with the astronomy of to-day in non- 

 technical language." Saturday Review. 



ELECTRICITY OF TO-DAY. Its Work and Mysteries 

 Explained. By CHARLES R. GIBSON, A.I.E.E. 



"A masterly work." Globe, 



"Mr. Gibson has given us one of the best examples of popular 

 scientific exposition that we remember seeing. His book may be 

 strongly commended to all who wish to realise what electricity means 

 and does in our daily life." The Tribune. 



SEELEY & CO., LIMITED 



