Page counts vary by edition, ranging from about 128 pages up to 480 pages.
They explore subjects such as popular culture and politics; perception, language, and cognition; conspiracies; mass media and new technologies; race and manners; and broader questions about reality and thought.
Paperback weights listed range from 0.31 to 1.14 pounds, indicating editions from small, highly portable paperbacks to heavier trade-size paperbacks.
Blurbs and review quotes praise Eco's intellect, curiosity, erudition, and wit, often calling the essays entertaining, incisive, and thought-provoking.
Available collections include philosophy essays, literary criticism (often focusing on semiotics and theory), general literary essays, and works centered on language and the arts.
The essays are variously described as satirical, parodic, and playful, as well as erudite, witty, ironic, amusing, and incisive.