From THE SAVAGE FORTRESS:

Ash tightened his hold on the drainpipe and hoisted himself up. The pipe shook and leaned away from the wall. John had told him he regularly scrabbled up such drainpipes -- how hard could it be? But then John was half his body weight, even after all the exercise Ash had been doing.
Arms and legs wrapped around the clay pipe, Ash slowly shimmied upward. The rough surface scraped against his skin, rubbing his belly raw. Cables brushed against his back, and Ash hoped he wasn't about to be electrocuted. But the wires seemed dead, and he found gaps in the walls to push himself the last few feet. With a grunt he heaved himself over the low parapet, dropping on to the flat roof. Holding his breath and willing his heart to quieten, he heard a deep, threatening growl.
The drainpipe rattled, then tore off the wall and smashed.

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Excerpted from Goat in a Boat: an Acorn Book (a Frog and Dog Book #2) by Janee Trasler
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