#6 of the Techorse series. Canterlot is about to exhibit the world's largest diamond, and a gang of dragons plan to steal it! When Rainbow Dash gets into trouble with the gang, she's forced to keep the heist a secret in order to save her life. But if she doesn't tell anyone the secret, many of her friends might get hurt. What will she choose to do?

Series cover art by Veestormcourage