He’s the 2014 Printz Award recipient (Midwinterblood). Now Marcus Sedgwick brings us his new novel, She Is Not Invisible, on Thursday, April 24, at 7 p.m. In this thriller that challenges readers’ understanding of the universe, a blind girl leads the way on a transatlantic adventure. Obsession, family ties, and mystery weave to create a taut mystery. Ages 12+.