Positive Discipline for Preschoolers: For Their Early Years-Raising Children Who are Responsible, Respectful, and Resourceful, Revised 4th edition

Jane Nelsen, EDD, coauthor of the bestselling Positive Discipline series, is a licensed marriage, family, and child therapist and an internationally known speaker. Her books have sold over 1.25 million copies.

Cheryl Erwin, MA, is a licensed marriage and family therapist in Reno, Nevada, and is the author or coauthor of nine books on parenting and family life. She is a popular speaker, trainer, and parenting radio personality, and is married and has an adult son.

Roslyn Ann Duffy founded and codirected the Learning Tree Montessori Childcare, and has written adult and children's texts, as well as the internationally circulated column, From a Parent's Perspective. She lectures and trains in numerous cultures, is a parent to four and besotted Grandma to three.

Allyson Ryan is a theatrically trained, award-winning actress. Her diverse talents have led to a two-decade career in audiobook narration, voice-over, theater, TV, commercials, and film. She is the recipient of AudioFile magazine's Earphones Award for titles in memoir and fiction.