Preying Game by Rebecca York

A woman’s voice on the broken radio of an antique car sends Decorah agent Jonah Ranger on a dangerous mission to save her life. She’s Alice Davenport, a man is holding her captive, and she’s sending out a desperate telepathic plea for help.

Using his extrasensory abilities, he contacts her mind to mind. Jolting his talent to the maximum, he’s able to project himself to her prison. But since neither of them knows where she’s being held, rescue seems impossible. Still, in the darkness of her cell, he offers what comfort he can.

Jonah figures out how to send his consciousness to Alice’s cell, where he looks like a ghost at first.