The book "Coronal Mass Ejections" provides a comprehensive and integrated overview of the current knowledge and understanding of coronal mass ejections (CMEs) and their successors, interplanetary CMEs (ICMEs). It is based on a series of workshops held between 2000 and 2004 and brings together the expertise of an international team of about sixty scientists involved in various space missions, including SOHO, ULYSSES, and VOYAGER. The work aims to inform scientists working in space physics about the current state of research on CMEs and ICMEs, as well as their impacts on the heliosphere. Additionally, it offers advanced students an introduction to this active research field. The detailed analysis and new models for the initiation, development, and interplanetary propagation of CMEs make this book a valuable resource for anyone interested in the dynamic processes of the sun and their influence on the solar system.