In his Magnificent Future History of Mankind's second great age Poul Anderson has conjured up a universe too immense for even the human race to despoil. Across this grand expanse of space roams the Polesotechnic League, a band of merchant princes from every inhabited planet, in search of adventure and riches beyond the wildest dreams of our earthbound time!
Contents:
- Hiding Place (1961)
- Territory (1962)
- The Master Key (1964)