It became one of the most popular science fiction novels in China. Crickets feature as major characters in novels and children's books. Pocket Books published subsequent "Star Trek" novels. This developed into a franchise that led to graphic novels, books and other media. Marple appeared in twelve novels and twenty stories. Tilly is the author of six published novels. The same went for films based on comic strips and graphic novels. It is one of the Four Great Classical Novels of Chinese literature. There is a trilogy of original "Biohazard" novels in Japan. Adams developed problems keeping to writing deadlines that got worse as he published novels. Failing health prevented him from completing several more romance novels. Eugene England called the first five novels "good literature". Marvel planned a series of sequels based on the subsequent novels. His short "novels" are never published. Naruto also appears in the epilogue light novels of the series.