TV presenter turned novelist Richard Osman joined Ryan Tubridy on the phone to chat about his bestselling debut The Thursday Murder Club, a whodunnit about a quartet of residents at a retirement community, who meet to discuss unsolved murders - and suddenly find themselves in the middle of their first live case. Listen above...

The Ryan Tubridy Show, RTÉ Radio 1, Mon-Fri, 9 am - listen back here.