1. Introduction to Astrochemical Modeling

Part I: Chemistry 2. Designing a Gas-Phase Chemical Network 3. Time-Dependent Integration of Chemical Networks 4. Dust and Surface Chemistry 5. Integrating Astrochemistry in Hydrodynamics

Part II: Radiation and cosmic rays 6. Optically Thin Atomic Photochemistry 7. Molecules and Radiation Shielding 8. Dust-Radiation (Attenuation and Other) 9. Cosmic Rays: Physics, Chemistry, and Computational Challenges

Part III: Thermal processes 10. Implementing Cooling and Heating I: Atomic Gas 11. Implementing Cooling and Heating II: Molecular Gas 12. Implementing Cooling and Heating III: Dust Grains

Part IV: Beyond the essentials 13. Extra Complexity 14. Synthetic Observations: Bridge the Gap Theory-Observations

Part VI: Case studies 15. Modelling large scales: galaxy and molecular clouds 16. Modelling small scales: star-formation in filaments, clumps, cores 17. Modelling radiation and chemistry in protostellar environments 18. The challenge: modelling protoplanetary discs 19. Cosmological simulations first stars and SMBHs 20. Conclusions and future perspectives