Reasons not to continue writing a book

Northwest Missouri State University became the first public university last year to deliver all of its textbooks electronically to students. The reason? E-books usually cost about half what printed books do. But a new study shows that students who relied heavily on e-books quickly asked for their printed texts back because it was so awkward to navigate inside the e-books. Just under 40 percent of students said they actually studied less because e-book readers were just too damn hard to use.

• Problem #1: Students can't highlight material easily or flip pages.
  
• Problem #2: E-books weren't numbered the same way as printed editions, so it was hard for everyone to get on the same page.
  
• Problem #3: E-book readers are so counter-intuitive to use that students say they spent almost a month just figuring out how to navigate through them, use the highlighting and mark-up features, enlarge text, or copy text. (Some students took a week-long intensive course just to learn their e-book reader.)
  
• Problem #4: Classrooms require numerous electricity plugs all around the room. Many students forgot to charge their e-readers overnight, and others had many classes in a row which drained batteries quickly. Students required many more plug-ins than rooms had.
  
• Problem #5: Students forget to bring their charger cords with them. Many students said that lugging around charger cords was a real nuisance, and that the weight of an e-reader plus cord, adapaters, and sometimes a laptop weighed as much or more than bringing books to class.
  
• Problem #6: Hard science texts and texts for classes like accounting, math, and business were impossible to use on e-readers. Many textbooks contain large tables in the rear of the printed text. This text must be referred to while reading, but it opens in a small window on the e-reader and the text is often incomprehensibly small. Other texts, such as biology, physics, medical, and chemistry texts, require images in color.

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you must heard this news quite recently, so i have a short discussion with my publisher and decided not to publish my new book in a book catalog. instead i choose to make it available in on-line CBT(based training) to benefit all human being.