BFFs Danya and Emma are known around school as "Demma." The girls are total opposites, but they know each other so well that they finish each other's sentences. Danya is plagues with guilt when the girls and Rosie, Emma's mom, are involved in a terrible car accident that leaves Emma in a wheelchair. Danya believes the wreck was her fault because she distracted Rosie from the road and had to be scolded. For a while, Emma believes it too. And she can't forgive her friend.Hi-Lo Chapter Books for Children. This series of short novels was designed to engage a broad spectrum of struggling readers. N.