It is a letter written to give an end for the book and a solution for Holden Caulfield. After He faced many problems in his short life, He decided to kill himself. The purpose is: He is missing his dead brother, Allie; He failed again in school and tried to find his way. It was written from his own point of view with informal language however, with formal resources such as: hyperbole, alliteration and ellipse, which can be seen when some verbs are repeated as: “will finish”, “swear” and “have”; when the pronoun “I” is repeated or when is removed and maximizing small problems. Furthermore, in the letter is related facts presents in the book – get kicked out of Pencey, bought a gift for Phoebe and spoke with his history teacher – so is direct…