It is specifically designed for beginner to elementary learners who need a solid foundation in basic grammar.
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). Essential Grammar In Use
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 It is specifically designed for beginner to elementary
Raymond Murphy, a renowned expert whose "In Use" series is used by millions globally. Unique Methodology & Structure Essential Grammar In Use