The Internet Archive hosts many out-of-copyright or legally digitized books. While Astrology for You may still be under copyright, some older editions from certain countries might be available for borrowing. Search directly on Archive.org.
While the book is widely discussed online, it is important to note its legal status regarding free PDF downloads: Astrology for You - Shakuntala Devi - Google Books Astrology For You Shakuntala Devi Pdf Free Download