"Mark Walden"@en . "1972-10-03Z"^^ . . "1973Z"^^ . "Mark Walden (born 1972) is the award-winning author of the H.I.V.E. series of novels. He was a senior producer in charge of developing PlayStation games for Sony before taking up writing full-time."@en . . "English writer" . "2006Z"^^ . "Walden, Mark"@en . .