You can buy the PRINCE2 Agile® Official Guide here ($180 +GST):
NB: PRINCE2 Foundation is the pre-requisite. Rates are in Australian dollars. Australian customers, 10% GST is added to the order at the checkout screen, and displayed on the page before you proceed to payment.
Pre-requisite: Passing the PRINCE2® Foundation Certification
Yellowhouse is an AXELOS Certified Partner and an APMG PRINCE2® ATO (Accredited Training Organization)
PRINCE2® is a registered trade mark of AXELOS Limited; The Swirl logo™ is a trade mark of AXELOS Limited.