The Ranger's Apprentice Bk 1 : The Ruins Of Gorlan.

Moreover, it was a good book with an original story line some parts had tense moments which suddenly switched to cheerful moments. The story is somewhere around the medieval times. The main character , Will, always dreamed of being a warrior. Both of his parents are dead, his father died as a hero and mother died in childbirth. The only reason he wants to be a warrior is to follow his father footsteps. On the choosing day he was rejected to join Battle school. He was accepted by a Ranger. Will, like ordinary people, thought they used black magic to make them invisible to people. They were a mysterious bunch of people, rarely seen in public. Of course he feared them, like all the villagers did, so he reluctantly trained with the ranger. I highly recommend you read this book. :D