Welcome to the Kingdom -- Glossary -- Pt. 1: The desert -- Pt. 2: The House of Saud -- Pt. 3: The brethren -- Pt. 4: Oil -- Pt. 5: Petropower -- Appendix A: The ruling line of the House of Saud -- Appendix B: The sons of Abdul Aziz -- Appendix C: Prominent princes -- Appendix D: The relatives of Saud al Kabeer -- Appendix E: The Islamic calendar -- Appendix F: World oil and gas statistics -- Appendix G: Note on Arabic words