I should structure the response by first acknowledging the request, explaining the copyright aspect, then offering alternatives and sources where they can find the book legally. Make sure to emphasize respecting intellectual property rights.

Next, the user might not know the exact title in English. "Aksharathettu kambi katha" could translate to "Stick Man Story" or something similar. I can suggest searching for the English translation if available. Also, recommending legal sources like government websites or libraries that offer free resources would be helpful.

The user might not be aware of the legal implications of downloading copyrighted content. I should advise them to check the copyright status and use legal methods. Suggesting alternatives like official booksellers or public domain repositories would be good. Maybe mention Project Gutenberg or similar sites but note that it's for public domain works.

I should check if this is a public domain work. If the book is old and the copyright has expired, distributing it for free might be allowed. But if it's under copyright, providing a free PDF could infringe on the author's rights. I need to make that clear in my response.