In 2007, five of the top 10 best-selling novels in Japan were written by teenagers, or early 20-somethings, on cell phones. These novels were published in installments on various specialized Web sites…Publishers soon recognized the trend and began republishing popular, finished novels, churning out one best seller after another…”The sentences are too simple, the stories are too predictable,” one of the authors is quoted as saying. Yet, apparently demand for these “tear-jerkers” is on the rise.