pls help give u 10 pts

What book, written by the answer to number 12, outlined how Communism should work?

a. So You Want to Be a Communist...: A How to Guide to Communism
b. Chicken-less Soup for the Communist's Spirit c. The Proletariat versus The Bourgeoisie: An Eternal Battle
d. The Communist Manifesto

(by the way the answer to number 12 was karl marx and friedrich engels)​