Transcriber's notes:

Added table of contents.

Retained some inconsistent hyphenation (e.g. second hand vs. second-hand).

Changed Lige to Lije for consistency (twice).

Removed unnecessary quote before "Now, in thus demanding...."

Changed "neerest" to "nearest."

Changed "to night" to "to-night" for consistency.

Changed "Detetective" to "Detective."

Changed comma to period after "she will ruin all."

Added missing quotes after "try the door" and before "Mistake added...."

Added missing comma after "better by and by."

Changed "Schnieder" to "Schneider" (twice).

Added missing quote after "bats in the wall?"

Removed unnecessary quote after "P. Slattery's Shades."

Changed "That was the true meaning" to "What was the true meaning."

Changed "clastered" to "clustered."

Changed "fasionable" to "fashionable."

Changed "suddenly appear within" to "suddenly disappear within" (error found in New York Detective Library edition but not in Boys of New York text).

Added missing "it" to "Frank took the document from his pocket and placed it in his hands" (based on consultation of original Boys of New York appearance).

Added missing long dash after "who was said--who" (based on consultation of original Boys of New York appearance).

Changed "churchyard" to "church-yard" for consistency (twice).

Changed "cotemplating" to "contemplating."

Removed unnecessary quote after "And yet——."

Changed "boys's" to "boy's."

Added missing quote after "return it some of these days."

Changed "Garabaldi" to "Garibaldi."

Changed "familarity" to "familiarity."

Removed duplicate word from "clump of of oaks."

Removed unnecessary quote after "Reuben Tisdale by name."

Removed unnecessary quote after "even had they been so disposed" and "sort of an affair I like."

Added missing quote before "exclaimed the stock-broker."

Changed "familarity" to "familiarity."

Changed "but the name" to "by the name."

Added missing quote after "this is the result."

Changed "Mansfied" to "Mansfield."

Swapped ? and ! in "Now, where is that sealed parchment? That's the question before the house!"

Changed "supposing your" to "supposing you."

Changed "couse" to "course."

Added missing quote after "what's the matter with this room?"

Changed "forhead" to "forehead."

Added missing quote after "within our grasp."

Changed "suburbam" to "suburban."

Changed "goverment" to "government."

Removed superfluous quote after "Who are you, sir?"

Removed unnecessary quote after "How——."

Added missing quote before "there's the fellow."

Changed "monment" to "moment."

Changed "got got" to "got."

Changed "Are your not" to "Are you not."

Changed "similiar" to "similar."

Changed "that was ordinarily" to "than was ordinarily."

Changed "weeke" to "weeks."

Changed "at steak" to "at stake."

Changed "cuting" to "cutting."

Changed "Hook Spring" to "Hook sprang."

Changed "murder" to "murderer" in "A strange murderer, for a fact." (Based on consultation of original Boys of New York appearance).

Changed "Deeective" to "Detective."

Changed "tremling" to "trembling."

Changed ! to ? in "Well, which way are you going?" and "Won't they give you away?"

Changed "Tree Oaks" to "Three Oaks."

Changed "floor" to "door" in "The rapping was upon the door...." (Based on consultation of original Boys of New York appearance).

Changed "seeen" to "seen."

Changed "Ruben" and "Rueben" to "Reuben."

Removed unnecessary comma from "Elijah, Callister."

Added missing comma in "Rube, Cutts and myself."

Changed "Mansfied" to "Mansfield."

Changed ! to ? in "My slight to you, dearest?"

Removed unnecessary quote before "With them dwells...."

Added missing end single quote to final "Bats in the Wall."