 It follows characters Evumeimei Dingzai (nicknamed Evvy) and Rosethorn, former travel companions of Briar Moss, in their journey to the Battle Islands to investigate the death of the local plantlife and an impending volcano eruption.It was Pierce's suggestion that she write an original novel for Full Cast Audio, and when she first heard young actress Grace Kelly (actual name) read the part of Evvy during rehearsals for "Street Magic".The author decided to recast what she had already written from third to first person so that Kelly could actually narrate the recording.