Ganymede: a half-terraformed, isolated human outpost. Low population, all pioneering spacers with a frontier attitude.

Where retired Captain Cole Douglas runs a bar in an old shuttlecraft.

Far from help, if that orange flash in the sky indicates an invasion force...

"Only Sheepdog on the Moon" A military space adventure short story about one man facing off an invading force. From Stefon Mears, author of Stealing from Pirates and Fade to Gold.