The core of your search is the word With a standard author like Stephen King, "best PDF" might mean a clean OCR scan. With Ellison, it means a war zone. Here is why finding a high-quality PDF of Soldier from Tomorrow is notoriously difficult:
Harlan Ellison was famously hostile to digital piracy. Before his death in 2018, he personally scoured the internet for unauthorized uploads of his work. While many posthumous estates are loosening restrictions, the Ellison estate (managed by his wife, Susan) remains protective. Most "free PDF" versions circulating on torrent sites or forums are from 1970s paperbacks—crooked, full of typos, and missing pages. harlan ellison soldier from tomorrow pdf best
You can often find authorized digital previews or borrow editions through the Open Library The Teleplay: The core of your search is the word