“The MIT Press Essential Knowledge Ser.: AI Assistants” by Roberto Pieraccini is a trade paperback textbook published by MIT Press in 2021. Focusing on the subject areas of computer science, intelligence (AI), and semantics, this book provides essential knowledge for those interested in AI assistants. With 288 pages, this textbook covers various topics related to AI assistants and is written in English by the author Roberto Pieraccini, making it a valuable resource for students and professionals in the field.