Book excerpt: An invaluable tool for the director/supervisor striving to identify what aspects of an early childhood program need improvement. The detailed descriptions of what one should see in high quality programs (and why) gives readers a strong foundation of child development knowledge and of principles translated into practice. Laura Colker is the author of over 100 publications and instructional guides, including co-authorship of The Creative Curriculum for Preschool, The Creative Curriculum for Family Child Care, and The Creative Curriculum for Infants and Toddlers. The Creative Curriculum for Preschool, now in its fifth edition, is the most widely used preschool curriculum in the United States. She also served as content specialist or scriptwriter on over forty educational videos for PBS and Reading Is Fundamental, and developed online training for early childhood caregivers and family child care providers for NACCRRA (National Association of Child Care Resource and Referral Agencies). Diane Trister Dodge, founder and president of Teaching Strategies, Inc., is the author of numerous books, articles, and training materials on early childhood education. She is the lead author on all of Teaching Strategies books, including the popular The Creative Curriculum series. Derry Koralek is the President of DGK & Company, an independent consultant in early childhood education and developer of training materials and guidebooks. Past clients include Reading Is Fundamental, the Head Start Bureau, Military Child Development Programs, and the Devereux Foundation. Koralek is a past Editor-in-Chief of Teaching Young Children, National Association for the Education of Young Children, and winner of the Association for Educational Publishing Golden Lamp Award, 2014.