"Children's Literature in Action: A Librarian's Guide 3rd Edition" by Sylvia M. Vardell is a revised textbook published by Bloomsbury Publishing USA in 2019. This trade paperback book, part of the Library and Information Science Text Series, covers a wide range of subjects related to education, literary criticism, and language arts, with a focus on children's and young adult literature. With 360 pages filled with insights and practical guidance, this edition is a valuable resource for librarians and educators looking to enhance their understanding and application of children's literature in educational settings.