Countless books have been published in recent years to meet the needs of a variety of needs of the students, teachers and educators involved in English as a second language.
The following list of texts is complete with brief descriptions and is organized by the books' intended audiences.
The above selections are a small sampling of the immense universe of ESL books. If you discover a particular text you find useful, search out more works by that author or by any authors that are referenced frequently in the text. Bear in mind that there are multiple, competing theories in the world of ESL pedagogy; you might need to do considerable research in order to zero in on the philosophies that work for you and your students.