Ranger's Apprentice 7-volume Set: The Ruins of Gorlan; the Burning Bride; the Icebound Land; the Battle of Skandia; the Sorcerer of the North; the Siege of Macindaw; Erak's Ransom

"Ranger's Apprentice is the title of a series of fantasy novels written by Australian author John Flanagan. The first book in the series, titled The Ruins of Gorlan, was released in Australia on 1 November 2004 and in the United States on 16 June 2005. So far, nine books have been released in Australia and New Zealand, with other countries including the United States and United Kingdom following behind. The series follows the adventures of Will, an orphan who is taken as an apprentice Ranger, as he strives to keep the Kingdom of Araluen safe from invaders, traitors and threats. He is joined on his adventures by his mentor Halt and his best friend Horace among others." - Wikipedia