After solar flares take out the world’s electricity, trouble strikes a woman estranged from her billionaire brother. Ungainly mix of post-apocalypse SF and assholes-after-bag-of-money thriller. The former is very much dialled down to give focus, but the genre mashup doesn’t really work: the plot doesn’t need its context. That said, it’s pacy and kinda works, even though the book feels like a movie script in waiting rather than a novel.
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My own books are here, if that’s your thing. Newest is noir thriller East of England.