Just a heads up about this in case you haven't seen it.
One of those "book in a slip case with lots of facsimile documents".
Lots of illustrations - handy for building bits of Whitechapel - but also includes facsimile copies of:
Police notice asking for information
Chief Inspector Swanson's report on Elizabeth Stride
"Dear Biss" letter
Letter "From Hell" sent to Mile End Vigilance Committee with piece of human kidney
Front cover of Illustrated Police News
Sir Melvin Macnaghten's report
Front cover of New York Herald
plus various other letters etc
Remaindered in "The Works"