The Glass Series (comprising Storm Glass, Sea Glass, and Spy Glass) by Maria V. Snyder—a spin-off/sequel series to the Study Trilogy—follows Opal Cowan, a glassmaker who discovers she possesses a rare power to weave magic into glass and capture souls. Struggling to master her volatile abilities after years of being used by others, Opal is thrust into a dangerous web of political intrigue, illegal magical experimentation, and lethal conspiracies spanning the realms of Ixia and Sitia. As rogue magicians and ruthless warlords seek to weaponize her glass-weaving skills, Opal must learn to embrace her strength, navigate complex romance, and harness her unique powers to stop a war before her magical world is shattered.