Plot hole: Virtually all editions of the book have been abridged by removing one chapter of the section during which Huck and Jim are rafting down the river (this chapter is known as "The Raftsmen Passage"). While the chapter in question does indeed slow the story down, it also reveals several key points of information, notably Huck and Jim's location on the river. In the following chapter, Huck is aware of this information. With the "Raftsmen Passage" removed, he would have had to have picked it up by telepathy, as there is no mention of him leaving the raft or otherwise having any source for his information.

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