The Usborne illustrated dictionary of science : [physics, chemistry & biology facts]
- 384pages
- 14 heures de lecture
With clear definitions and cross-referencing, this book is written for students of chemistry, physics and biology.

![The Usborne illustrated dictionary of science : [physics, chemistry & biology facts]](https://rezised-images.knhbt.cz/1920x1920/5201184.jpg)
With clear definitions and cross-referencing, this book is written for students of chemistry, physics and biology.
A handbook for people who have trouble sleeping. Includes discussion of sleep and what happens when we are sleeping, sleep retraining, aids, medication and drugs, stress management, fitness, and sleep management plans, and specific issues such as bed-wetting, caffeine and alcohol, and tips for shift workers.