这位作家以写中篇小说闻名，尤其擅长在有限的篇幅内塑造丰满的角色。

The author is famous for writing ___novellas, especially skilled at creating well-developed characters within limited length.

她特别喜欢读中篇小说，因为它们既不会太长也不会太短。

She especially enjoys reading ___novellas because they are neither too long nor too short.