Project Gutenberg offers free access to "Memoirs of Extraordinary Popular Delusions and the Madness of Crowds"

The book titled "Memoirs of Extraordinary Popular Delusions and the Madness of Crowds" is now hosted on Project Gutenberg. It is presented as a free e‑book in the public domain. Readers can download the text in multiple formats from the site. The work examines how popular delusions spread through societies. It offers historical examples of crowd behavior and financial speculation. The online edition preserves the original pagination and chapter headings. No registration or payment is required to access the file. The availability expands the reach of this 19th‑century analysis to modern audiences.