10 Hungry Rabbits: Counting & Color Concepts by Anita Lobel; illus. by the author Preschool, Primary    Knopf    24 pp. 2/12    978-0-375-86864-1    $9.99 Library ed.  978-0-375-96864-8    $12.99    g When Mama Rabbit announces her plans to make vegetable soup for dinner, her ten children—each one wearing a different color—gather ten matching colorful ingredients: one purple cabbage, two [...]