<prompt> Translate the following text to EnglishMkusanyiko wa vitabu ulikuwa mzuri sana, na Tuppence aliona kwamba ukuta mmoja wote ulikuwa umewekwa wakfu kwa kazi za uhalifu na uhalifu.  <response>: The collection of books was a magnificent one, and Tuppence noticed that all one wall was devoted to works on crime and criminology. 