Set of five vintage Erma Bombach humor books, box set from 1970s & one from 1991

This is a fun set of books from the very popular authorErma Bombeck. One is a box set containing four books “the grass is always greener over the septic tank” 1976, “just wait till you have children of your own“ 1971, “I lost everything in the post Natal depression” 1973 and “if life is a bowl of cherries what am I doing in the pits” 1978. And also, the book “when you look like your passport photo, it’s time to go home“ 1991. These books were all national number one best sellers. They are in used condition. So they do have creases on the spine, etc.. All pages are intact and they have not been written in etc., they are still ready to be enjoyed. Non-smoking home.