Essential Grammar In Use -

It is specifically designed for beginner to elementary learners who need a solid foundation in basic grammar.

To serve as a self-study reference and practice book, though it is frequently used as a classroom supplement.

Raymond Murphy’s Essential Grammar in Use (often referred to as "the red book") is widely considered the gold standard for elementary-level English learners (CEFR A1–B1).

Here is an analysis and breakdown of the book to help you put your paper together.

The book's popularity stems largely from its "two-page unit" format, which balances theory and practice perfectly: Essential Grammar In Use - sciphilconf.berkeley.edu