Revelations - Assassin's Creed Book 4

Older, wiser and deadly than ever, Master Assassin Ezio Auditore embarks on an epic journey to find the lost library of Altair - a library that may hold the key to defeating the Templars for ever. However, a shocking discovery awaits him. The library holds no only a hidden knowledge but also the most unsettling secret the world has ever known.