Chapter 1. Overview of open textbooks: definition and distinguishing characteristics -- Chapter 2. Shifting perspectives with open textbooks: adaptive learning -- Chapter 3. Open education and instructional design models: the metasystems transition perspective -- Chapter 4. Metasystems learning design theory: state-of-the-art -- Chapter 5. Anticipating competence development with open textbooks: the case of liquid skills -- Chapter 6. New features of open textbook for integrative stemx education: open textbook for science education -- Chapter 7. Specific features of fragmented content: nano-technology of learning.