Lest Darkness Fall and Related Stories Author:L. Sprague de Camp, Frederik Pohl, David Drake, S. M. Stirling Lest darkness fall / by L. Sprague de Camp --
L. Sprague de Camp's great leap of imagination / afterword by Alexei and Cory Panshin --
The deadly mission of Phineas Snodgrass / by Frederik Pohl --
The apotheosis of Martin Padway / by S.M. Stirling --
To bring the light / by David Drake.