In Enemy Hands (Honor Harrington Series, Book 7)

At least the Peoples Navy promises to treat its prisoners honorbly. But the Navy is overruled by the politicians, and Honor finds herself aboard a Peep battlecruiser, bound for a prision planet aptly named "Hell."..and her scheduled execution.

Put into solitary confinement, separated from her officers and her treecat Nimitz... and subjected to systematic humiliation by her goalers, her future has become both bleak and short. Yet the one lesson Honor Harrington has never learned is how to give up.