Ascending the Book Spine

The wooden ledge stood too high for a single stride. I paused three inches away. Calculated the angle. A thick hardbound volume lay tilted beside two upright books, creating a steady ramp. I set my primary mechanical limb against the leather spine. Firm grip. I pivoted upward step by step, testing the incline until all legs locked into place atop the shelf. The entire carpeted room unfolded below.