On The Third Day There Were Pirates! Arthur Penhaligon Finds Himself On An Adventure That Will Pit Him Against Pirates Storms Explosions And A Vast Beast That Eats Everything It Encounters. Will Our Unwitting Hero Be Able To Find The Third Part Of The Will And Claim The Third Key? No Rest For Poor Arthur Penhaligon. As Grim Tuesday Ends He Discovers A Square Of Stiff Cardboard Under His Pillow Gilt-Edged And Inscribed With The Following Words:Lady WednesdayTrustee Of The Architect And Duchess Of The Border Sea Has Great Pleasure In InvitingArthur PenhaligonTo A Particular Luncheon Of Seventeen Removes Transport Has Been ArrangedRsvp Not Required&ItS An Invitation He Cannot Refuse. From Hospital Room To The High Seas Arthur Finds Himself On An Adventure That Will Pit Him Against Pirates Storms Explosions Of Nothing-Laced Gunpowder And A Vast Beast That Eats Everything It Encounters. Through It All He Is Drawn Deeper Into The Central Mystery Of The House. Arthur Must Find The Third Part Of The Will And Claim The Third Key Not Just For Himself But For The Millions (If Not Trillions) Who Will Suffer If He DoesnT. The First Step? Surviving Life Aboard Ship On The Border Sea&