Language Solutions Inc.

year of pub­li­ca­ti­onISBNauthor(s)title
2013978-1-929274-33-8David Harrington · Charles LeBeauPerformance: Conversation Scenes from Everyday Life
1999978-1-929274-42-0Michael Lubetsky · Charles Lebeau · David HarringtonDiscover Debate
2000978-1-929274-43-7LeBeau · HarringtonDiscover Debate (Audio CD)
978-1-929274-45-1Getting Ready for Speech Student Book
2001978-1-929274-49-9Charles LeBeau · David HarringtonGetting Ready for Speech
2006978-1-929274-77-2Charles LeBeau / David HarringtonDiscussion Process and Principles
  ''978-1-929274-79-6   ''Discussion Process & Principles (Audio CD)