Found Floating is a 1937 detective novel by the Irish writer Freeman Wills Crofts.Reilly p.396 It is the sixteenth in his series of novels featuring Inspector French, a Scotland Yard detective of the Golden Age known for his methodical technique.Evans p.41
References
Bibliography Evans, Curtis. Masters of the "Humdrum" Mystery: Cecil John Charles Street, Freeman Wills Crofts, Alfred Walter Stewart and the British Detective Novel, 1920-1961. McFarland, 2014. Herbert, Rosemary. Whodunit?: A Who's Who in Crime & Mystery Writing. Oxford University Press, 2003. Reilly, John M. Twentieth Century Crime & Mystery Writers. Springer, 2015.