The "Social Media Journalist Handbook" by Yumi Wilson is a textbook published by Routledge in 2019. This trade paperback book covers various subject areas such as computers, language arts, and social science, focusing on media studies, general journalism, and composition and creative writing. With a length of 9 inches and 156 pages, this handbook is a valuable resource for students and professionals in the field of social media journalism. The author's expertise and in-depth insights make this book a must-have for those interested in exploring the world of social media in the context of journalism.