Action-packed follow-up to Killing Ground, this is an enthralling trilogy of spine-tingling spooky adventures with a sporty twist, from a master of footie fiction for kids. It's meant to be a stress-free holiday in London, but suddenly Seth and Nadiya will need all their skills asDefenders. Ghostly activity is threatening a Premier League club as they build a new stadium on Roman ruins.One worker has already met a grisly death - and many...