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Piracy declaration

Where official HootNotes come from

Hootshell books are sold on this website, and in other stores once we list them here. The free samples are the only copies we give away. A copy from anywhere else is unauthorised.

Last updated 14 November 2026.

Official copies

  • This website: Think in Patterns, with checkout by Dodo Payments, who emails the download.
  • Other stores: when a book is also sold elsewhere, such as Amazon, the store is listed here and on the book’s page. A store that is not listed here is not selling an official copy.
  • Free and official: each book’s free sample, downloaded from its page here, and the free preview a listed store offers.
  • Not official: a full book on a file-sharing site, a “free PDF” site, a messaging channel or group, anyone’s cloud drive, or a store or marketplace listing that is not named on this page. Nobody else is licensed to sell, lend or give the books away.

What a buyer may do

A book is licensed to the person who bought it, for their own study. You may print it and keep copies on your own devices, and reuse the Python solutions in your own practice and projects. You may not share, resell, upload or post the PDF or any part of it, or use it as material for a course, a dataset or another product. The terms and the licence page in each book say this in full.

Why it matters

Each book is written, tested and corrected by one person. Sales pay for that work and for the corrected editions every buyer gets free. A pirated copy also tends to be an old edition without its corrections, and a file from an unknown site can carry anything.

What we do about piracy

  • We ask websites, platforms, hosts and search engines to remove unauthorised copies, using DMCA notices and the equivalent procedures of other countries and platforms.
  • We act on every credible report we receive.
  • We never ask readers for money to “settle” anything. A message claiming to be from us that does is not from us.

Report a pirated copy

Thank you for looking out for us.

Send us the link where you found it (and a screenshot if the page might disappear) through the enquiry form, choosing “Report a pirated copy”, or by email to contact@proserviq.com. You do not need to give your name, and we never pass on who reported a copy.

To tell us that something on this site infringes your own copyright, see Copyright and DMCA.