"BART" is a prose poem of one long - very long - sentence. That sentence was written entirely over the course of about five hours on September 6, 1976, while Silliman rode on the Bay Area Rapid Transit (BART) system, or waited for trains at various BART stations. The book's cover looks like an enlarged version of the electronic bar-coded ticket used to get in and out of the stations. The poem's single sentence has upwards of 500 clauses, each of which is separated by a comma.