Spontaneous activation is nice but the more we look for and want it the more it eludes us. That's why we use manual activation to .
With the books that you've chosen it will be difficult to recognise when you you've actually had some spontanelus activation. After all how do you knowfor sure you are not already using words that you didn't relly know before you PhotoRead them?
Activate the books the right way up it's faster and easier. The mind has already turned around the text in preparation for activation and during the incubation period mad connections for your activation.
Alex