"No point living if you've nowt to die for." The first book in D.L. Marshall's John Tyler series, Anthrax Island , was a surprise COVID-era gem. It got several rave reviews from the mystery blogosphere, and personally I found both the setting and the clever locked room mystery to be highly original. The version I read had this rather dour cover , so I was pleasantly surprised on picking up Marshall's second book Black Run to see these new editions pictured to the left. They really nail the tone of the series, that tone being "cheese popcorn". If you're not familiar with unconventional detective John Tyler, let me paint a picture: he's a grizzled super-spy from Yorkshire whose body is decorated with scars and "tattoos from everywhere he's done jobs". Some days he's stabbing a man in the throat with a screwdriver, and other days he's sat in a cafe with a Maigret novel drinking hot chocolate with mini marshmallows. He d...