You can purchase these bundles from platforms like Smashwords and Barnes & Noble . Nadia Nightside - Smashwords
Nadia Nightside offers various erotica anthologies focusing on commanding themes in EPUB format, though a specific "Sinful Commands Bundle" is not currently listed. You can find her collections, such as Power Corrupts and Alpha Corruption , which explore similar themes on digital retailers. Download Sinful Commands Bundle Nadia Nightside epub