Halt's Peril is the ninth thrilling book in John Flanagan's Ranger's Apprentice series - over eight million sold worldwide. Will and Halt, his mentor, are ambushed by the cult's deadly assassins when Halt is pierced by a poisoned arrow. White's The Sword in the Stone, Christopher Paolini's Eragon se...

Halt's Peril is the ninth thrilling book in John Flanagan's Ranger's Apprentice series - over eight million sold worldwide. Will and Halt, his mentor, are ambushed by the cult's deadly assassins when Halt is pierced by a poisoned arrow. White's The Sword in the Stone, Christopher Paolini's Eragon series and Rick Riordan's Percy Jackson series.