Book of the Dead

Wrenched from her digital afterlife in the Library, River Song finds herself on sixty-first century Earth, resurrected in a clone body. Billionaire tech mogul Garrison Clay has a mystery to solve, and he's selected River as the person to solve it.

Armed with only her sonic screwdriver and a fake ID, River heads out into a world soon to be ravaged by solar flares... where danger stalks her at every turn.

This is the final part of a 4 part story.