1. Essential Knowledge: 'E for Additives' is a comprehensive guide that reveals the hidden chemicals in everyday foods, helping consumers make informed choices.

2. Health Benefits: Many users report significant health improvements, especially parents managing hyperactivity in children and asthma sufferers avoiding triggers.

3. User-Friendly Format: The book allows quick lookup by E-numbers or chemical names, making it practical for daily use.

4. Life-Saving Information: Particularly valuable for individuals with respiratory conditions like asthma or COPD, as it identifies dangerous additives.

5. Slightly Dated but Relevant: While published in 1988, most information remains accurate, though users hope for an updated version to include recent changes.

6. Highly Recommended: With overwhelming positive feedback, this book is endorsed by health-conscious readers and medical condition sufferers alike.

7. Awareness Tool: Empowers consumers to challenge unethical food industry practices by understanding what they're really consuming.