I can recommend meditation for people with social anxiety. When I meditate on a regular basis, the way I interact changes completely. It's more intuitive and I say and do things I wouldn't do otherwise, yet people are completely fine with it and like me more. Like I am really authentic
Reading speed is highly correlated with the difficulty of the material. And even this factor varies from person to person because of different backgrounds and interests. For me reading speed and a quiz on the material afterwards are useless indicators of someone's overall speed. Every person should read as fast or as slow to full grasp the material.
It's some awesome, that a lot of people here wrote a book. I would like to write one too, but I think, that I don't have enough experience, or it will suck.