Before downloading a it is crucial to understand what you are actually looking for. In the West, the term "Tantra" is frequently synonymous with sexual practices. While sexuality is a component of Tantra (specifically within the "Vamachara" or Left-Hand Path), it is a tiny fraction of a vast ocean.
Authentic Tantra deifies the feminine principle. If the PDF marginalizes women or treats them merely as "helpers" for male enlightenment, delete it immediately. Tantra Pdf Book