Not the Little Sisteris a quirky, witty rhyming book written by Nichele Chasteen, which tells the story of three sisters: identical twins Jalen and Kalen, and their big sister Raven. Raven is much smaller than her younger sisters and is commonly mistaken for the youngest of the three. Raven does all she can to grow bigger, with the hope that no one will mistake her for the twins' little sister. While reading Not the Little Sister, you'll find yourself repeating the tongue twisting rhymes, while following Raven's journey to the realization that it's ok to be small for your age. Raven also learns that, despite her size, her sisters do look up to her.