Written by today's experts for the experts of tomorrow, Eyewitness Experts are great big gift packs that blitz the top-selling topics children really love. Open them up and you'll find everything you need to nurture their interest, whether novice or nerd. These are gifts to treasure and return to and grow with.
With this book they'll meet famous bird experts to find out how they work to protect rare species.

This guide covers the 440 most commonly seen wild flower species in northwest Europe.
At the beginning of the book is a short introduction which focuses on the process of identification in the field. For ease of access, the species are then organized into four chapters based on flower colour: Green–White, Yellow–Brown, Red–Pink, and Purple–Blue.
Within these colour groups the flowers are broadly organized by family, so that similar plants are kept together for ease of comparison.

This guide covers over 320 of the most important rocks and minerals found all over the world.
The book begins with a short introduction, which focuses on the process of identifying different rocks and minerals. The following pages divide rocks into three groups: sedimentary, igneous, and metamorphic; and minerals into two groups: ore minerals and rock-forming minerals.
Introductions to each of these sections define the groups and explain how entries are organized within them.

The most trusted nonfiction series on the market, Eyewitness Books provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures.

DK's classic look at the world's oceans: be an eyewitness to the secret watery world that covers much of our planet and the incredible creatures that live in its depths.

• The only rigorous theory and applications book available
• Provides the principles of renewable energy flows/sources and energy conversion processes
• Details the significant expansion of the field since the publication of the previous editions

This book covers all aspects of renewable energy, from the processes on the sun and in the atmosphere that gives rise to solar radiation, wind, waves, evaporation and the precipitation, forests and plants, over the techniques for deriving energy for society from each of the natural energy flows, and to the economic environmental impacts of each of the natural energy flows, and to the economic and environmental impacts of using renewable energy. Along the way, auxiliary technologies for energy management and storage are introduced, in order to show how demand can be met at all times despite use of variable energy sources.