What type of book is House on Mango Street?
Although the above answer is mostly correct, it would be more appropriate to say that the book is made up of vignettes (pronounced vin-yets, the g is silent).
Vignettes are different from short stories in that the they are not complete, do not have a clear begining, middle, and end, fully...
(The entire section contains 2 answers and 151 words.)
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Well, if you want to know the genre, i speculate that this book is a coming-of-age type. Over the lapse of year(almost), Esperanza narrates vignettes (as mentioned in cnorth answer) of that period of time.