Chapter 1. Step 1: Acknowledge the failure of a war on drugs strategy and the harm it has caused.- Chapter 2. Step 2: Recognise the primary importance of addressing the harm that stems from and is associated with drug use and drug control policies.- Chapter 3. Step 3: Encourage the development of innovative strategies of drug control.- Chapter 4. Step 4: Ensure that drug policy innovations are evaluated, and evidence on their effectiveness is shared widely.- Chapter 5. Step 5: Broaden the horizons of the drug policy debate.- Chapter 6. Conclusion.