Each chapter is written using words limited to consonants and a single vowel, producing sentences like: "Hassan can, at a handclap, call a vassal at hand and ask that all staff plan a bacchanal".
[1] The author believes "his book proves that each vowel has its own personality, and demonstrates the flexibility of the English language.
[3] The title eunoia, which literally means good thinking, is a medical term for the state of normal mental health, and is also the shortest word in the English language which contains all five vowels.
The "E" chapter was set to music by Kate Soper in her chamber piece Helen Enfettered.
The chapters are dedicated to Hans Arp, René Crevel, Dick Higgins, Yoko Ono, and Zhu Yu, respectively.