Immune checkpoint molecules deliver signals that control the activities of different immune cell types and represent some of the most promising targets for cancer immunotherapy. Request this eBook to learn about some of the current and emerging immune checkpoint proteins that are being investigated as immuno-oncology targets. From the most highly investigated targets, such as PD-1 and CTLA-4 to emerging targets like TIGIT, LAG-3, TIM-3, and BTLA, this eBook provides a summary of what is known about the functions of these molecules and their potential as immunotherapeutic targets for treating different types of cancers.