num_pages: 316
description: In the kingdom of Rud, Charles, Merlain, and their brother, Dragon Horace, are in the center of a plot against Kelvin as they seek to steal the treasure of the Orc Kingdom
language: English
title: Orc's Opal
titlecomplete: Orc's Opal (Kelvin of Rud, #4)
genres: Magic, Science Fiction, Fiction, Science Fiction Fantasy, Fantasy, Dragons
ratings_count: 619
series: Kelvin of Rud
publisher: Tor Books