Julian Sedgwick 
Black Dragon [PDF ebook] 

Twelve-year-old Danny Woo had an unusual childhood. His parents were the star performers in the Mysterium circus-and they taught Danny plenty of tricks. But his parents’ skills couldn’t save them from dying in a suspicious fire. Now Danny and his aunt Laura, a journalist, are heading to Hong Kong so Laura can research the dangerous gang called the Black Dragon. Almost immediately, she’s kidnapped and Danny realizes that the gang may be connected to his family’s past. With the help of an old friend, Danny tries to free his aunt, and he uses every trick he knows to face off against the international criminal network that might be responsible for his parents’ deaths.