Messenger (The Giver #3)
Second  installment to Youth classic, "The Giver." Required in numerous 8th/9th grade English classrooms. Introducing the idea of a utopian society to youth for the 1st time. The well known Trilogy also includes a third book, Gathering Blue. Only recently for the 20th Anniversary of "The Giver" author, Lois Lowry has written a 4th book called, "The Son" now available as of Oct 2012. Which makes the series a fourquet and answers the many hanging questions left by the "The Giver" Reading the two, middle books is not entirely necessary as the "The son" is more a sequel to the 1st book, "The Giver."
Healers, Curadores, Utopias, Community life, Juvenile fiction
Lois Lowry, Fikret Topalli
Lois Ann Lowry (/ˈlaʊəri/;[2] née Hammersberg; March 20, 1937) is an American writer. She is the author of several books for children and young adults, including The Giver Quartet, Number the Stars, and Rabble Starkey. She is known for writing about difficult subject matters, dystopias, and complex themes in works for young audiences.

Lowry has won two Newbery Medals: for Number the Stars in 1990 and The Giver in 1994. Her book Gooney Bird Greene won the 2002 Rhode Island Children's Book Award.
https://en.wikipedia.org/wiki/Lois_Lowry