The Forbidden Atlas

<p><b>The exhilarating sequel to <i>The Clockwork Conspiracy</i>, Isaac Turner is back for another action-packed mystery adventure.</b><br><br>''An ingenious mystery'' - A. F. Steadman, author of <i>Skandar and the Unicorn Thief</i>, on <i>THE CLOCKWORK CONSPIRACY</i><br><br>Isaac and Hattie have been invited to a high-profile event at the French National Archives in Paris to finally celebrate their achievement in saving time. But as Isaac prepares to make his speech, the lights go out and a single shot is fired.<br><br>The police think it was an assassination attempt on the infamous businessman Balthazar Blaise, but Isaac and Hattie realise that something very different is going on when they discover a boy taking something from the archives before vanishing without a trace.<br><br>As they investigate, Isaac and Hattie are pulled into an underground world, searching secret and forgotten places for a stolen letter, a missing sister and a map that will unearth a long buried secret ...</p>