List of contributorsAcknowledgementsIntroduction1 The view from Riyadh: A neoclassical realist perspective of Saudi foreign policy towards Iran in the post-2011 Middle East2 Narratives of power politics in the Iran–Saudi relationship: The view from Tehran3 Competing Islams: Religious legitimacy and the foreign policies of Saudi Arabia and Iran4 The Iran–Saudi Arabia rivalry: Rekindling of Shia loyalty and Sunni fears in Bahrain5 Iraq and the evolution of Saudi–Iranian relations6 The irreplaceable piece: Lebanon’s strategic value in the Saudi–Iranian foreign policy chessboard7 Capability and culpability: Iranian and Saudi rivalry in the Syrian conflict8 Delegation or intervention: Yemen as a theatre for the rivalry between Iran and Saudi Arabia9 ConclusionIndex