The Rosemary SpellBook - 2015
"Best friends Rosie and Adam find an old, magical book that has the power to make people vanish, even from memory. When Adam's older sister, Shelby, disappears, they struggle to retain their memories of her as they race against time to bring her back from the void, risking their own lives in the process"--Provided by publisher.
Publisher: Boston ; New York : Clarion Books, Houghton Mifflin Harcourt, 
Characteristics: 273 pages ; 22 cm