chloralhydrate coroners cyanidepoisoning detectiveandmysterystories fiction français(langue) frenchlanguagematerials islands islandsinfiction lecturesetmorceauxchoisis messageinabottle millionaires millionairesinfiction murder murdervictims mysteryfiction potassiumcyanide readinglevel-grade10 readinglevel-grade11 readinglevel-grade12 readinglevel-grade9 romanpolicier scotlandyard