In the first book in this series, Lost Solace , Karl Drinkwater put his main character, Opal, through hell on what appeared to be, but wasn't, a space liner, along with developing her relationship with her ship's AI. Chasing Solace takes the next step, with an evolved AI (now called Athene) and Opal taking on another 'lost ship', more convinced than ever that this is the way to find Opal's missing sister, Clarissa. As with the previous book there is only one significant human character in Opal. (In fact only one other human features at all, and then relatively briefly.) There's a long tradition of single-handed plays working well, but there the character is, effectively, in conversation with the audience. Here we don't get the benefit of being talked to, but Opal can, and does have conversations with Athene, or (when she can't contact the ship) with a limited version of Athene built into her suit. Having the AIs to converse with does give us t...