It looks like you’re trying to locate a PDF of Peter Kolosimo’s Il pianeta sconosciuto (often associated with “mysterious Earth” or “unknown planet” themes), possibly in relation to a “chapter 11” or a “better” version/edition.

Here’s a quick, practical guide to help you search efficiently and safely.

| Source type | Example | Notes | |-------------|---------|-------| | Public domain / free | Internet Archive (archive.org), Google Books | Kolosimo’s works are likely still under copyright (died 1984; Italian copyright lasts 70 years after death → public domain in Italy from 2055). Free PDFs may be unauthorized. | | Paid e‑books | Amazon Kindle, IBS.it, Feltrinelli | Often sold as e‑books. Search “Peter Kolosimo Il pianeta sconosciuto ebook”. | | Library services | MLOL (Mediateca Italiana), WorldCat | Borrow digitally if your library subscribes. | | Academic / shadow libraries | (Not directly linked) – e.g., Z‑Library, Anna’s Archive | These contain user‑uploaded PDFs. Use at your own risk regarding copyright and malware. If you search there, include the ISBN: 978-8842900560 (Newton Compton, 1973 edition). |

Non è necessario ricorrere a copie piratate. Ecco le opzioni legittime:

Se vuoi leggere Kolosimo legalmente senza spendere, cerca “prestito digitale biblioteche” (MLOL, MediaLibraryOnLine).

Published in 1959 (revised in the 1970s), Il Pianeta Sconosciuto is Kolosimo’s magnum opus on paleo-contact. The title refers to a hypothetical celestial body—sometimes called “The Fifth Planet” (between Mars and Jupiter) or a rogue world—whose former inhabitants supposedly terraformed Earth.

Key chapters and claims:

The book’s strength is its bibliography—Kolosimo cited obscure Russian, French, and German geological reports that English readers never saw. Its weakness is its tendency toward speculation masquerading as fact (e.g., claiming the “green children of Woolpit” were alien hybrids).