Many of the books cited in the Engines radio scripts are uncommon — even rare — and few are presently available in bookstores. Many, however, are a part of The Engines of Our Ingenuity Collection in the Universtity of Houston Libraries.
You may click here to search the Library catalog for all books in this collection. If you don't live in Houston, of course, editions of many of the books may found in your own library.
We live in a Google/Wikipedia world, and that is good, However, there is no pleasure like finding the actual book and seeing all the imagery, images, and texture that's missing from the many fine online sources. Do take time to look at some of the original material that we cite on the Engines web pages.