Spectre (Zoe Martinique Investigation Series #2) by Phaedra Weldon

Since discovering her ability to travel outside her body, Zoë Martinique has used her paranormal abilities in her sleuthing. Now, as she discovers additional powers that are both exhilarating and frightening, she becomes vulnerable to enemies who seek to use her gifts for their own nefarious ends. When her mother, who is aware of her daughter's gifts, disappears, Zoë must find her at the risk of her increasingly fragile hold on her humanity. This follow-up to Weldon's debut urban noir paranormal mystery, Wraith, provides intriguing background information on Zoë's birth and sets the stage for further adventures. Fans of urban fantasy and supernatural detective stories should enjoy this foray into the borderlands between life and death. For most fantasy collections.