List of letters in Paper Mario
In the game Paper Mario, letters can be received throughout the game for Mario and his eight partners, Goombario, Kooper, Bombette, Parakarry, Lady Bow, Watt, Sushie, and Lakilester. The letters for Mario can be found at his house, while the rest of the letters for his partners are found at the Toad Town Post Office. This is a list of all of the available letters in the game.
Mario and Luigi
At the end of the game, Princess Peach sends them another invitation letter, but its content isn't revealed by the game.
Dry Dry Railroad
Boos in Gusty Gulch
Mario also finds letters along his journey. There are 25 letters: 12 are found throughout the world, with one of them part of a 14 letters chain that results in getting the Lucky Day Badge. Delivering each of the other 11 letters awards Mario a Star Piece.
1 - The letter that starts the chain.
Notes and references
The following is a list of what the recipients say upon receiving the letters, which sometimes reveal the content of the letter.