Robert Peterson's articles and stories appear not only in his books. He's also contributed chapters to several other books.

Consciousness Beyond the Body
by Alexander De Foe

The Storyville Project
by The Lakes Area Writers Alliance

Convergence
by Barbara Mango and Lynn Miller

Only available as a free eBook (not in print) on Amazon, this book examines the veridical scientific evidence for Out-of-Body Experiences. Bob contributed one chapter.

This is a collection of short stories. Bob contributed two short stories to the book.

Bob's reflections start on page 213 of this book.