Because the PDFs are rare, the physical books are often cheap. Check:

This is a rarer collection of seminar transcripts. If you find a PDF labeled "Advanced Hypnosis," it is likely a bootleg recording transcribed into text.

Key chapters you will find:


Sites like Hypnosis.edu or The Mike Mandel Hypnosis Academy have vast libraries. While you won't upload an Ian Clarke PDF, they have "Rapid Inductions" sections that teach the exact same physiology (startle reflex, disorientation, overload).