The well trained mind forums have an accelerated learners board which I'm pretty sure has quite a few HG+ kids. Misty the use a combination of methods depending on what works for the child. They might be doing age level formal writing but doing all the other stuff orally to adjust for the fact the child is far more advanced in the other areas, or algebra with an 8 year old while doing lower level history and language arts and college science. While there are books (including the well trained mind it is more about being educated as an end in itself rather than a way to get a good job. As someone who hates the statement "we are preparing our children for jobs that ..." it appeals to me. I hope my child will have a satisfying productive job but that is a byproduct not the main purpose.