The "top" modern format is the official eBook. Search for "Ashtavakra Gita: With the Commentary of Swami Chinmayananda." The digital version is often superior to a scanned PDF because it is reflowable, searchable, and includes a clickable table of contents. For many seekers, this is the definitive "PDF" equivalent.
Ashtavakra teaches that you are not the body, mind, or senses. You are the "Witness" in whose presence these things appear. ashtavakra gita swami chinmayananda pdf top