The Robert F. Sibert Medal is for the most distinguished informational book for children. This year's winner is "The Wall: Growing Up Behind The Iron Curtain," written and illustrated by Peter Sis. In his most personal work to date, award-winning author Peter Sis offers a brilliant graphic memoir, taking readers on an extraordinary journey as he recals his youth growing up in Czechoslovakia in the 1960s, when his country was on the Communist side of the Iron Curtain. (ages 8-12)