Both books offer a neat glimpse into the Mid Century Modern architectural past. If you are remodeling a mid-century home this will give you lots of original ideas to keep it authentic to the time period.

How to Plan and Build Your Fireplace June 1968: 

"In this book you will find how people of today are working the hearth into their homes.  If you are planning to build or to remodel, or to buy a house already equipped with a hearth, or if you just like fireplaces, perhaps you will find in these pages some idea you can put to good use"

Planning and Landscaping Hillside Homes January 1968:

Hundreds of ideas for buyers, remodelers, gardeners, house plans, garden plans, photographs and special problems and ways to solve them. 

Books have some wear and one has some stains on a few pages (see images)