They both recommend authors follow the practices of romance writers when growing their author platforms. (sellmorebooksshow.com)
It also teaches you how to create and grow your author platform including providing tips on blogging, tweeting and online networking. (bookbuzzr.com)
Get Known Before the Book Deal: Use Your Personal Strengths to Grow An Author Platform by Christina Katz (Writer's Digest Books, 2008) (thestoryreadingapeblog.com)