Finding tips for the Big Kahuna

I've been sending some e-mails in order to get some advice before I tackle my Solar System book.
I e-mailed Tom Clohosy Cole about audience considered when working on a project like Space Race.

I also e-mailed the general info address on the Nobrow website asking a similar question:

I also asked my sister to help me translate an e-mail to send Nicolas Andre asking pretty much the same question: