Ones and TwosBy: Marthe Jocelyn, Nell Jocelyn Marthe Jocelyns ability to present important to learn concepts to the very young has garnered accolades from around the world. Ones and Twos is her first book collaboration with her nineteen year old art student daughter, Nell, and, together, they explore numeracy, sorting, and pairing. Each brightly illustrated page invites children to identify familiar objects ranging from kites to socks, from one nest to the two