Messenger by Lois Lowry

Lois Lowry was twice the recipient of the Newbery Medal, for Number the Stars and for The Giver. She lives in Maine.From the Paperback edition.

The companion novel to Lowry's Newbery Medal winner "The Giver" follows young Matty as he makes one last journey through the treacherous forest with his only weapon, a power he unexpectedly discovers within himself.