If you want an introduction to the contradictory oil policies and their not so unintended consequences... check these out...

Amazon.com links

The Rise, Corruption and Coming Fall of the House of Saud ⚠️ ↗

House of Bush, House of Saud ⚠️ ↗

The Prize: The Epic Quest for Oil, Money and Power ⚠️ ↗

Amazon.fr link
If you can read French... available from Canadian sellers too...

Opium, pétrole, islamisme: la Triade du crime en Afghanistan ⚠️ ↗


Of course, there are more, but these are already quite heavy for a beginning...