That's the point, all existing systems are hybrids to some extent.
Cuba is probably as close to the book as they come, but the embargo keeps them in a box
Every newly liberated country has chose the path of more economic freedom and has prospered because of it
The market place is always more efficient than centralized govt control
Throw in intellectual freedom as well and the odds are greatly in favor of success. Look at the parts of the Arab world where women are treated as property and suppression is the norm. They'd be much better off exploring that rather than blaming everything on Israel