The total number of pages depends upon the edition and publisher that you are interested in.
Here is the page counts for the different paperback publishings for the novel "The House on Mango Street".
The first edition of the novel was published by Arte Publico Press in 1984. This edition contained 110 pages.
The reissue was completed by Knopf Doubleday Publishing Group in 1984. The total number of pages in this edition is 144.
The second edition of the text was published by Vintage Publishing in 1991 and the paperback contains 110 pages as well.
Random House Publishing also published an edition in 1991 and this text contained 144 pages.
The newest edition of the novel was published by Bloomsbury Publishing in 2004. The total number of pages in this edition is 128.