1. Introduction / Yang Bai and Ilya Grinberg
part I. Fundamental evolutions of ferroelectricity. 2. Theoretical advances in understanding complex ferroelectrics / Ilya Grinberg
3. Multiscale simulations of ferroelectric oxides / Jiawei Huang, Zhuang Qian, Yihao Hu, Qisheng Yu and Shi Liu
4. Functional simulation of ferroelectric materials / Benjamin Ducharne
part II. Emerging ferroelectrics and their novel applications. 5. Photoferroelectrics and energy harvesting / Yang Bai
6. Topological defects in ferroelectrics / Jan Seidel
7. Ferroelectricity in halide perovskites / Holger Röhm.