Ennis, Robert H. / 1995-9 / $ 96.95 - - For courses in Critical Thinking or Informal Logic. Unique in perspective, this text provides a general approach to critical thinking skills that can be applied to all disciplines. With an emphasis on writing, as well as on deciding what to believe or do, it offers extended discussions, examples, and practice of such skills as observing, making judgments, planning experiments, and developing ideas and alternatives.