I'd rather see people use this as a buddy system to reach their own goal 100 mind maps doesn't have to come from 100 books. Like you said A chapter is a good start.
Also it's a weekly goal what you do daily is up to you. You might just have a weekly goal of activating one book till it gels. How many days it takes isn't important.
A little bit of competition doesn't hurt either. If it motivates you to reach your goals.
The whole point of the exercise is to form a type of weekly buddy system and a bit of accountability.
Coaching is always available. Taking up this challenge would help many find their blocks and move through them faster.
So Iam2 Are you going to join us from time to time with your PhotoReading goal?
Alex