: The book consists of 18 units (or 17 in some editions), each focusing on a specific grammar area like Present Simple/Continuous or Past Perfect.

: Many editions include a CD-ROM or digital access code for additional interactive practice. Flexible Usage

: Specifically tailored for intermediate students, often recommended for the 8–10 age range or grades 6–8.

: Includes regular Progress Checks every two units and revision sections to consolidate learning.