Most physiology texts serve as guides to the medical student during his initial exposure to the subject in the basic science portion of the curriculum; they are then retired to bookshelves and disturbed only during the series of relocations from city to city that mark the progression of his training. Referral to such texts is hampered by their size, small print, and the obsolescence of their content. Professor Valtin has attempted to change this pattern; he has, in large part, succeeded. This book is obviously designed to be used—to be read, reread, carried around, written in, underlined, and, when outdated, replaced at a modest cost. This reviewer has used this text and found it a joy. The material is well organized, the text easily read. Generous margins allow for the effective use of boldface subtopic headings and provide space for the reader's own notes.
After a short, but very