Cambridge University Press offers a collection of grammar books for basic, intermediate, and advanced ESL students in high school and college. These titles include reference books that focus exclusively on the study and practice of grammar usage, communicative activity books for use in the classroom, and editing guides for students of academic writing.

Grammar in Use Series
Grammar Troublespots 3e
Nitty Gritty Grammar
How English Works
Cambridge Grammar of English

The Teacher's Grammar of English