Questions:
How suitable is this for very mathy, very non-humanities type parents?
How suitable is this for very mathy, very non-humanities type DS8?
How do you choose a starting level?
What about for a very verbal-strength DD5 (not sure where she got that from) whose had no schooling yet, but is a self taught reader (since 3)? Does the program start too high? What would you start such DD5 on instead?
How much parental involvement is needed?
How much parental skill is needed?
How much parental enthusiasm is needed?
Could DS8 work through this fairly independently, given that he's shown various degrees of independent school work at home in the past?