NANCY IS DRAWN INTO A DANGEROUS GAME WHEN A TENNIS MATCH TURNS INTO A DEADLY DUEL OF WITS
Tennis star Nina Ford desperately needs Nancy's help. Nina's father, falsely convicted of fraud and sentenced to five years, has mysteriously vanished on his way to prison. It's up to Nancy to find Mr. Ford -- and the missing documents that prove his innocence.
Nancy discovers that Mr. Ford's disappearance is linked to Nina's next tennis match -- which someone is trying to fix. Together with Midge Watson, a 14-year-old sleuth determined to follow in her footsteps, Nancy unravels a sinister string of clues that leads to an unlikely enemy with more than one score to settle!