Dragon Racer. Legacy of Fire (book 2)

Margaret Bateson-Hill. Joanna is the new owner of the Brixton Dragon Caves. What could be better? But Arch-rival Marius King has been plotting revenge on the dragon-racing world from prison and he's ready to unleash his plan. Joanna must put aside her differences with the rest of the team if she wants to save her beloved Excelsior...
Fiesty hero Joanna leads a diverse cast in this wonderful adventure - action divided between the Brixton caves in London, Brighton and Wales.