In the penultimate book of the Exile of the Mind series, young nurse and soldier Jack Thomson is made to swap bodies with the sensual, older General Carver so that she can escape from a surprise rebel attack. But when her escape pod crashes, Jack is forced to venture out into the chaos of the colony to try to find her before the rebels do in Exile of the Mind: Ghosts of Triton 1, available on Body Swap Stories, Smashwords or Amazon. Preview here.
Love this one
This is one my favorites.
This one could use a sequel either from either new perspective honestly
Agreed, this is such a classic. I wish we could get snapshots into their future lives.