Leather Apron; Or, the Horrors of Whitechapel, London.
Sam'l E. Hudson.
Philadelphia, 1888
Casebook Review: 
One of the earliest books written on the case, only recently re-discovered in 1997. Published near the end of 1888 in Philadelphia, the book champions Niccoli Vassily as the killer. Reprints available for purchase through the Ripperological Preservation Society.
