The classes of interpreters are one of the books of the translations of the commentators, composed by Al -Hafiz Jalal Al -Din Al -Suyuti, the author arranged his book the translations of the commentators, a hybrid arrangement, then he began mentioning each interpreter and elaborate in it, and the number of translations in the book reached a hundred and thirty -six translations, and Al -Suyuti presented in the introduction to the book how he classified the interpreters.