I think what you are saying is, can I use the slides before my mind probing question for the book. At least that's what I would be doing. Superread and dip rather than rapid read. Activate in layers.

If you don't understand what multiple passes or activating in layers is. You should be learning the system on another book, not books for the exam.

The five steps of PhotoReading. 3rd edition
1. Prepare (purpose & ideal state)
2. Preview (write trigger words)
3. PhotoRead (keep the state see the page)
4. Activate (multiple layers, using various activation techniques
5. Rapid read (optional and slowest of the activation techniques)

The 5 steps of PhotoReading 4th edition

1. Prepare (purpose & ideal state)
2. Preview (super short)
3. PhotoRead (keep the state see the page)
4. Postview (write trigger words, ask questions,)
5. Activate (multiple layers, using various activation techniques

AlexK