The Book of the New Sun
（重定向自Fuligin）
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The Book of the New Sun (1980 – 1983) is a series of four science fantasy novels or one four-volume novel by the American author Gene Wolfe. Alternatively, it is a series comprising the original tetralogy, a 1983 collection of essays, and a 1987 sequel. Either way, it inaugurated the so-called "Solar Cycle" that Wolfe continued after 1987 by setting other multi-volume works in the same universe.