Yes, it's that time again, where the the tables turn and the Host becomes the Guest on Books Of The Year.

This week we welcome a superstar co-host Marianna Spring to the studio, who steps into the Mayo shoes and, along with Matt, interviews Broadcaster and Author Simon Mayo about his new novel, 'Black Tag'.

They talk about about his inspirations for the book, why he has brought back a character from a previous novel and what it says about journalism, and journalists, working today.

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