What is the name of Pope Benedict's latest encyclical?

Pope Benedict issued Spe Salvi (Saved By Hope) on November 30, 2007. The encyclical focuses on hope and invites people to personally encounter Jesus Christ. Spe Salvi is the second encyclical from Pope Benedict. The first, Deus Caritas Est (God Is Love), was issued on December 25, 2005.

According to the Catholic Dictionary, an encyclical is the highest form of papal teaching document and generally address to all the bishops and/or all the faithful.