The purpose of this study is improvement of writing skills by increment creative thinking on actual classes model of book discussion. On the 21st 's knowledge society need to creative cultivate talented personnel and want creative writing skill thru integration of reading, speaking, listening and writing in actual education environment for multipurpose of practical use. Creative thinking is required for writing and needed fluency, flexibility, creativity and ingenuity which characteristic of the create writing. Those characteristics are important factor of improve student writing and also related to the book discussion. therefore, from start selection of discussion topics, look at the discussion topic in various perspectives and increase power of thinking by the discussion. In addition, various activity of creative thinking are all required creation of characteristic. Class for Create writing is divided to "before discussion, middle of discussion and after discussion" process. "Before discussion" stage is for prepare actual discussion and understand content of books based on own experience and setup discussion topics. During this process, fluency, flexibility and creativity which characteristic of creative thinking can de involved. "Middle of discussion" stage is for genuine discussion step and based on predefined discussion topic, split opinion and persuade others at his insistence. In this time, can demonstrate it's flexibility, creativity and accuracy. After discussion, start creative writing based on previous discussed experience. In writing process student can internalized their beliefs and new fact . Moreover, time of discussed topic writing, he/she have a chance to clean up and arrange their thought and recognize it's accuracy.In this writing task, teacher does not provide the type of writing and students are guided to write the content discussed. So, teacher let student know that Impressive part of the information discussed or any portion of part can be a writing title and content. Through discussion, student express their thought to writing output and can increase ability of creative writing skill.