First of Two Parts. The Paratime Police had a real headache this time! Tracing one man in a population of millions is easy—compared to finding one gang hiding out on one of billions of probability lines!...

Kiro Soran, the guard captain, stood in the shadow of the veranda roof, his white cloak thrown back to display the scarlet lining. He rubbed his palm reflectively on the checkered butt of his revolver and watched the four men at the table. "And ten tens are a hundred," one of the clerks in blue jackets said, adding another stack to the pile of gold coins. "Nineteen hundreds," one of the pair in dirty striped robes agreed, taking a stone from the box in front of him and throwing it away. Only one