H. Beam Piper's Federation Series: Uller Uprising, Four-Day Planet, The Cosmic Computer, Space Viking

This Halcyon Classics ebook collection contains the complete Federation series by H. Beam Piper: ULLER UPRISING, FOUR-DAY PLANET, THE COSMIC COMPUTER, and SPACE VIKING. The four books tell the story of future history of barbarism where human civilization has collapsed into feudalism and anarchy.

This ebook includes an active table of contents for easy navigation.