This document provides a review of the article "Bilingualism and Second Language Learning" by Jim Cummins from 1993. The review summarizes Cummins' key concepts related to bilingualism and second language acquisition. It notes that Cummins argues intensive literacy development in a student's mother tongue is the best way to teach English to Spanish-speaking children, which is a counterintuitive conclusion. However, the review also critiques Cummins' analysis for omitting discussion of the specific techniques used in different language programs and for making implicit assumptions without sufficient evidence.