What The River Doesn't Say

Here's a back-cover style description, 4000 characters or under:WHAT THE RIVER DOESN'T SAYSt. Petersburg thinks it already knows the story of Tom Sawyer and Huckleberry Finn - the whitewashed fence, the graveyard oath, the treasure in the cave. It's a fine tale, and mostly true. But it isn't the whole of it. This is what happened after - and underneath. Tom is getting good at telling stories, including the one about himself.
He's learned that a boy who performs bravery convincingly enough can almost believe he felt it, and he's built a comfortable life out of that particular skill. Becky Thatcher is his, sealed with a schoolyard kiss he barely remembers the feeling of, only the audience. He's the boy St. Petersburg has already decided he'll grow up to be, and most days that's enough. Huck doesn't have that luxury. He's never fit any of the shapes the town hands out, and when a feeling arrives in him that has no name anywhere in Miss Watson's Bible or the schoolroom's cruder vocabulary, he has nowhere to put it and no one to ask.
He tries on every word St. Petersburg owns for a thing like that - sin, foolishness, a boy's queer notion - and none of them fit, which frightens him more than being caught out ever could. Then Muff Potter stands trial for a murder Huck and Tom both watched happen, and telling the truth costs Tom something he didn't expect it to. Then the raft goes downriver, carrying Huck and Jim toward a freedom the whole world seems determined to make impossible, and dropping Tom back into their path in the one place he was never supposed to follow.
The Grangerfords and the Shepherdsons are still killing each other over a reason nobody living remembers. The Duke and the King are still running their cons. And somewhere on that river, two boys who've known each other their whole short lives find out what they actually owe one another when nobody's watching and no story's being performed for an audience. This is a continuation, not a correction - the further history of the same boys Twain gave the world, in the same country of woods and rivers and small-town judgment, told with the same eye for a boy's excuses and a town's blind spots.
It doesn't rewrite what you already know. It sits in the quiet places the original left alone: the moment after the brave thing, the feeling with no name yet, the ordinary goodbye that means more than the adventure did. For readers who loved Tom Sawyer and Huckleberry Finn and always suspected there was more sitting under the surface of that river than either boy ever said out loud.