Re-asked Question

Ok, I know for a FACT this question has been asked before-I remember seeing it and I also remember not writing the answer down. YES I had a major oops moment.
Anywho the search feature revealed nothing so I’m asking it again, please before you whip out the “beat the ignorant” stick, answer the question…

There was a science fiction book, with a man with two left (or right) arms on the cover. One was green and the other was normal.

What is the name of this book???

Help!!

Was it Bill, The Galactic Hero?

Scroll down to see the alternate covers.

Oh my! I think you’ve nailed it spot on!!

Have you read the book? Is it good?

I liked it, but I like most of Harrison.