Possible Clues:

• It becomes another name when surrounded by "H" and "N"
• Memorable columnist Bombeck
• 'Aunt' of a 1979 best seller
• Singing sister of Aretha Franklin
• 'Cope Book' aunt
• 'I Lost Everything in the Post-Natal Depression' writer Bombeck
• Bombeck who authored a "Cope Book"
• Clever Bombeck
• 'When You Look Like Your Passport Photo, It's Time to Go Home' author Bombeck
• Bombeck who wrote "At Wit's End"