Flush - Hiaasen Carl

Noah's dad, Paine, is a kind but slightly irresponsible fisherman who is passionate about saving the local Florida aquatic life.When Paine discovers that a local businessman is running a scam from his casino boat, he takes the law into his own hands, sinks the boat and ends up in jail.This scam involves releasing the effluent from the boat's toilets directly into the water, to avoid the cost of disposing of it safely.
Noah and his sister Abbey, take up the fight for justice on their Dad's behalf and enlist the help of Shelly, who knows that her former boyfriend is up to no good and comes up with a plan to prove it.She gets a job as a barmaid back on the casino boat and plans to sneak a huge load of coloured dye into the toilets.
A fantastically funny thriller - to find out more visit