There are 1 book by Penny O'Brien on BookOrb. A strong starting point is How to select the best child-care option for your employees (1987). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Penny O'Brien written?
BookOrb lists 1 book by Penny O'Brien.
Where should I start with Penny O'Brien?
A good starting point is How to select the best child-care option for your employees (1987).
What is the Penny O'Brien books in order list?
In publication order: 1. How to select the best child-care option for your employees (1987).