This book ignites enthusiasm for the fascinating world of plants. Plants are holistic organisms. They process stimuli into information. They have a clock and a memory. They provide immeasurable services for our life on this Earth. Through photosynthesis, they supply the foundation for the nourishment of all life. They shape our environment and living spaces. To illustrate this, the book particularly focuses on higher plants and their conquest of land. Plants embody beauty and stimulate our aesthetic sensibilities. The target audience includes both interested laypeople and a professional audience, as the book is written in an accessible manner like a popular science book, while also aiming to convey in-depth, specialized knowledge. The combination of an understandable writing style with scientific depth has proven successful in the market.