[[quoteright:344:https://static.tvtropes.org/pmwiki/pub/images/The_Mostly_True_Story_of_Jack_9011.jpg]]
[[caption-width-right:344:Looks like he's gone [[IncrediblyLamePun back to his roots]].]]
''The Mostly True Story of Jack'' is Kelly Barnhill's debut novel. Jack is basically just a normal kid, except for the fact that no one really notices him. Literally. Even his mother barely remembers he exists sometimes. And he never shows up in photographs.

The story begins with his mother taking him to stay with mysterious relatives living in a strange house in the middle of nowhere. Right from the start, something isn't right about the town. Children have disappeared, to be forgotten by everyone save a very few. Only one has ever returned, and he came back horribly disfigured and mute, apparently mentally retarded. Secrets abound, and for some reason, everyone - and every''thing'' - seems to focus upon one person: Jack.

!!This book contains examples of the following tropes:
* ActionGirl: Wendy beats up local bully Avery on a regular basis (he deserves it, though).
* TheBully: Avery tries to be this, and is apparently usually successful. However, the one time he tries to pick on Jack, he gets beaten up (and then ignored) by Wendy.
%%* ChangelingTale
* DealWithTheDevil: The Avery family's deal with The Lady. The current Mr. Avery's attempts to get out of it are the cause of all the problems in the book.
* InvisibleToNormals: No one notices Jack. This can have its advantages, though - he's never had to pay a bus fare in his life.
* MotherNature: The Lady and The Other.
* NatureSpirit: The Lady and The Other.
%%* SapientHouse: The Fitzpatricks' house.
%%* TheSpeechless: Frankie.
%%* SpoiledBrat: Avery again.
%%* SwitchedAtBirth
%%* {{Tomboy}}: Wendy has a bit of this in her.
* TooSpicyForYogSothoth: [[spoiler:Wendy is this to The Lady, who is currently not strong enough to steal her soul.]]
* YouCanSeeMe: Though he doesn't actually say it, Jack is very surprised when the local bully notices him.
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