A Book of Human Language is the second studio album by the American rapper Aceyalone.

Bill Cassel of AllMusic wrote: "Aceyalone wins major points for even trying to tackle weighty topics like life, death, time, and language.

"[1] Brian Coleman of CMJ New Music Monthly called it "one of the most intelligent albums" of the year.

[2] Malik Singleton of Vibe described it as "an uninhibited exhibition of lyric artistry laid over jazzy breakbeats and rare groove loops.

[5] The following year, Fact placed it at number 24 on its list of the "100 Best Indie Hip-Hop Records of All Time".