This book contains all the basic worksheets needed in cognitive behavioral therapy for the treatment of depression, anxiety, intrusive thoughts and conditions, panic disorders, social anxiety, etc. All sheets are accompanied by explanations and examples of filling, as well as illustrations and a brief tour of neurology to understand the processes of the occurrence of obsessive and anxious conditions. To study each distress, specialized sheets, diaries, graphs, etc. are offered, which the psychotherapist can combine taking into account the characteristics of each client. The book is intended for CBT practitioners and their clients; can be used for self-filling by clients not undergoing therapy. Collection of practical materials in all areas of CBT. All worksheets are accompanied by explanations and an example of filling.