For an evaluation of the most important novel to come out of Russia in many years, the ATLANTIC has turned to ERNEST J. SIMMONS, the author of LEO TOLSTOY and RUSSIAN FICTION AND SOVIET IDEOLOGY. Mr. Simmons was engaged in research work in Russia before World War II. He laught at Harvard and Cornell, and in 1946 he became chairman of the department of Slavic languages at Columbia, where he is also professor of Russian literature at the Russian Institute.

Novelist, critic, and teacher, one of the moving spirits at the University of California, Mark Schorer has been at work for more than a decade on his big biography of Sinclair Lewis, the October choice of the Book-of-the-Month Club, from which this chapter is taken.

For more than a century researchers have hoped to enlist the body's immune system in the fight against cancer, but the markers that identify a tumor as alien long eluded them. Now, by a combination of accident and relentless logic, several researchers are closing in on ways to force tumors to show their true colors to the body's immune system.