Open Secret
by Robert Adler, George Bellak, Louis N. Ridenour

A nuclear physicist has the duty of sending up atomic bombs in the stratosphere.

A photograph indicates an excess of hovering bombs; apparently other countries have been launching bombs too and there is danger of a collision in space.

Suddenly, San Francisco has been destroyed.

The Secretary of War jumps to the conclusion that Russia did it, so he pulls a switch and destroys Moscow.

The race is on.

Cities are systematically demolished.

Sacramento calls, saying San Francisco was wiped out by an earthquake.

But it is too late.