Reading Matters

year of pub­li­ca­ti­onISBNauthor(s)title
1985978-0-9614780-0-1Susan HeitlerDavid decides about thumbsucking: A motivating story for children: an informative guide for parents
  ''978-0-9614780-1-8Susan P H. D. HeitlerDavid Decides About Thumbsucking: A Motivating Story for Children, and Informative Guide for Parents
1996978-0-9614780-2-5Susan P H. D. Heitler · Susan M. HeitlerDavid Decides About Thumbsucking: A Story for Children, a Guide for Parents