Download or read book By the Ages written by K. Eileen Allen and published by Cengage Learning. This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: BY THE AGES presents basic knowledge of age-appropriate developmental expectations and the learning experiences that can be offered at each stage of development. Both authors are experienced in teaching and child-care issues and have authored professional references and textbooks on the topic of child development.