Meri knows best friends forever don't always last, but why did her ex-best turn into the meanest girl in school? With help from one of the spunkiest girls in children's literature, Anne Shirley of Anne of Green Gables, Meri works to unravel the mystery of best friend turned worst bully. Aligned to Common Core Standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.