SUPERLUMINAL

In Vonda N. McIntyre's Superluminal, a woman has to undergo bodily augmentation and alteration in order to cope with the pressures of being a starship pilot, e.g. the ability to go superluminal. Don't want to be a cyborg? Then this is not the job for you, the whole flying around in space thing. You won't have to worry about getting a pacemaker though.