Consider Phlebas (Culture, #1)

by Iain M. Banks

Only the outer envelope is constantly in real space, the rest—all the thinking parts, anyway—stay in hyperspace.

experience as well as common sense indicated that the most reliable method of avoiding self-extinction was not to equip oneself with the means to accomplish it in the first place.

Flower shadows moved on her neck as the gentlest of breezes started and ruffled the blossoms on the trelliswork above her head.