The Power of Five

The Power of Five (also known as The Gatekeepers in the US) is a series of five fantasy and suspense novels, written by English author Anthony Horowitz and published between 2005 and 2012. It is an updated re-imagining of Horowitz's Pentagram series, which the author had left unfinished in the 1980s. • Raven's Gate (2005) • Evil Star (2006) • Nightrise (2007) • Necropolis (2008) • Oblivion (2012)