The appearance of this addition is most welcome. It is hard to conceive of a writing style changing in a period so short as 10 years, but it does. The new words in use are an enormous number and there is a tendency to anglicize and shorten wherever possible. This book is the one authoritative source in the field of medical writing and has the backing of all attempts to organize and standardize the technic, if not the art, of writing. The latter is the more difficult to cultivate and attain.