: Known for extensive practice exercises and grammar.

To score above 90%, you cannot read the textbook like a novel. You need a strategic approach.

Not all chapters are equal. Some have a history of repetition.

While many Telegram channels and websites offer free PDFs, be cautious of copyright laws and poor OCR errors (typos). Prefer a physical copy for grammar editing. If using digital, stick to official publisher apps (Oswaal, Meritnation).