Life by Jane Austen is a category at Austen Paradise that features books detailing that might be considered the Austen self help section...
The Jane Austen Handbook by Margaret Sullivan
What Would Jane Austen Do? by Laurie Brown
A Jane Austen Education by William Deresiewicz
Jane Austen's Guide to Good Manners by Josephine Ross
The Jane Austen Cookbook by Maggie Black
Talking About Jane Austen in Baghdad by May Witwit