In the world of learning English, certain books are like treasures because they help you understand grammar and get better at speaking in public.

We've picked three of these special books that have been around for a long time and are still really helpful for people who love language. Please note that while we have made efforts to enhance the readability of these classic books, their quality may not meet modern standards. Nonetheless, the invaluable insights and knowledge it offers remain unparalleled.

Delve into the foundational principles of English grammar with John Hart's renowned work, offering comprehensive insights and practical exercises to strengthen your grammatical prowess. Download this free English grammar book in pdf format.

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Sharpen your business communication skills with Essentials of Business English by Benjamin J. Campbell. I would recommend reading the 'How to Write Clearly' section within the book.

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Unlock the art of persuasive communication with Clarence Stratton's timeless guide to public speaking, offering valuable tips, techniques, and strategies to captivate audiences and convey your message effectively. Download this free book to get effective tips on public speaking.

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If you want to practice English speaking, try AISpeak!