For your consideration, here is The Demu Trilogy Science Fiction Paperback Omnibus Book by F. M. Busby, First Pocket Books Printing, March, 1980, 522 pages. The book has some wear on the edges of the covers. The spine is curved and creased. There is some light tanning inside of the covers. The book will be mailed in a box for protection. Item pictured is the actual item up for sale and comes from a non-smoking household. (180.257p-.15bx)

Here are the books in the trilogy:

1. Cage A Man

2. The Proud Enemy

3. End of the Line