This is an essential guide for any writer. The advice is timeless. Written by two bosses from Ogilvy and Mather. It shows how the agency become successful. Some of the information may appear outdated, such as composing a memo, but that's an email today.
Using short words, sentences and paragraphs may seem unnatural. It does work and makes it easier to read your stuff. Try putting a piece of text together before reading this book. Run your writing through a readability score such as Flesch–Kincaid. Read the book. Rewrite your work and compare your score now.
If you pick this volume up once a year, you will become a better writer.