Will they solve this medical mystery in time? When Bo Salisbury hurts his ankle playing soccer, doctors think it's a bad bruise. Soon his leg gets worse, and he feels very sick.

Includes index.

Foul! : for one soccer player, a little bruise is about to cause some big problems -- Critical condition : Salisbury is failing fast, and his doctors are stumped -- Constant companions -- Life or death : Dr. Susan Murin is Salisbury's last hope. Can she make a diagnosis before time runs out? -- Lab reports -- Brutal bacteria : a deadly type of strep is eating Salisbury alive -- From Mold to Medicine -- Race against time : surgeons race to strip away Salisbury's infected flesh -- Saved! : surviving the killer bacteria is just the first step on Salisbury's long road to recovery.