The Overworked American
Just finished this book. It's a fast read. 165 pages. You can skip the last 20. It was written in 1989-90. Even though it is 25 years old, it does a great researched job of explaining how we got the current employment landscape we have. Some of it's stories use some dated examples, but if you substitute in "iPhone" whenever you read "VCR" it still works just fine.
In the last 20 pages the author flails around quite a bit with prescriptive remedies to the previous 145 pages of "problems". These types of books often do that though. I think they want to leave on an optimistic up note. But hey the book is 25 years old, we already know how things turned out, and her solutions are bound to be a little unrealistic in hindsight.
The researched and historical stuff earlier is very good though. It's also cheap. A used edition will run you One Penny and $3.99 for shipping on Amazon right now, so do read it if the topic of the American workplace interests you.