The Adventures of Tom Bombadil actual translation from the "Red Book of Westmarch", and contains some background information on the world of Middle-earth that is not found elsewhere: e.g. the name of the tower at Dol Amroth and the names of the Seven Rivers of Gondor. There is also some fictional background information of those poems, linking them to Hobbit folklore and literature and to their actual writers (some of them are ascribed to Samwise Gamgee). The book uses the letter "K" instead of "C" for the /k/ sound in Sindarin (one of the languages invented by Tolkien), a spelling variant Tolkien used many times
Samwise Gamgee Sam returned to the Shire, and returned to his role as gardener, helping to replant the trees which had been destroyed during The Scouring of the Shire. He was elected Mayor of the Shire for seven consecutive terms, and in his old age was one of the last denizens of Middle-earth to be permitted to enter The Undying Lands, an honour accorded to him as one of the Ring-bearers. Samwise Gamgee is first introduced in "The Fellowship of the Ring". Sam is Frodo Baggins' gardener, having inherited the position as Baggins' gardener from his father, Hamfast "Gaffer" Gamgee. At the