Ranger's Apprentice. The Icebound Land

More about the book

The Icebound Land is the third thrilling book in John Flanagan's Ranger's Apprentice series - over eight million sold worldwide. But Halt has sworn to rescue them, and he will do anything to keep his promise - even defy his King. White's The Sword in the Stone, Christopher Paolini's Eragon series and Rick Riordan's Percy Jackson series.