pamphlet

noun

1. a complete publication of generally less than 80 pages stitched or stapled together and usually having a paper cover.
2. a short treatise or essay, generally a controversial tract, on some subject of contemporary interest: a political pamphlet.

noun

1. a brief publication generally having a paper cover; booklet
2. a brief treatise, often on a subject of current interest, published in pamphlet form

n.“small, unbound treatise,” late 14c., from Anglo-Latin panfletus, popular short form of “Pamphilus, seu de Amore” (“Pamphilus, or about Love”), a short 12c. Latin love poem popular and widely copied in Middle Ages; the name from Greek pamphilos “loved by all,” from pan- “all” + philos “loving, dear” see -phile). Meaning “brief work dealing with questions of current interest” is late 16c.