Books in Fantail Thoroughbred series

Will Cassidy tell the truth, even if it means losing her horse?Cassidy Smith is worried. Her filly, Lady T, is running against a champion racehorse, Pizzazz. Cassidy's family needs the prize money desperately. Without it, they can't afford to keep Lady T.Then Cassidy discovers that Pizzazz has been injured -- and his owner is planning to run him anyway. If Pizzazz runs on his bad leg, he could be ruined forever! Cassidy knows she should tell her dad to stop the race. But then the Smith's won't win the money they need -- and they'll have to sell Lady T for sure. How can Cassidy protect Pizzazz without losing her beloved filly?