Elizabeth's San Antonio sleuthing

"Elizabeth and Kate connect in San Antonio, Texas. While helping out with ministry activities at the Fiesta Noche del Rio on the Riverwalk, they witness a strange string of unfortunate events events that threaten the River City Cruise Boat business. Mysterious 'Mr. Red-cap' and his friends... Stalled boat motors... A tourist boat run amok... Neon pink graffiti... The Camp Club Girls suspect that foul play is afoot. Will the girls reveal the source of the trouble before the River City Cruise Boat business goes bust?"--P. [4] of cover.