DK encyclopedia of natural history, suitable for 3-99 years old. This book has 623 pages and shows more than 5000 species. The book is divided into six chapters: the earth, minerals, rocks and fossils, microorganisms, plants, fungi and animals.

DK Encyclopedia of Biology is the best version of the top brand eye witness series of Dorling Kindersley, including five aspects.

Insects tell about the habits of different insects. Dinosaurs reproduce the life scenes of dinosaurs. "Birds" tells in detail the feathers, nests, claws and other aspects of birds. Plants show the structure and habits of plants. Mammals tell the different characteristics of mammals.

The content is slightly different, but they are all wonderful, and they are excellent readers who know the world.