Effi e Louise Power represented the high standard of collaboration among children's librarians that characterized the entire development of youth services work. This article examines Power's role in U.S. library history as a practitioner, library and information science educator, national and regional professional leader, and author. Particular emphasis is given to Power's place in the network of children's librarians in the early twentieth century, her professional authority as the librarian

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... lected by the American Library Association to write the fi rst textbook for children's librarianship, and her success as one of the many librarians who have written and edited children's books, especially folktale collections for use in storytelling programs. Emerging most notably from this research is the discovery of how energetically, albeit quietly, Power infl uenced not only her contemporaries but also the next several generations of children's librarians who have followed in her professional footsteps. The consciousness that none of us is working alone in her endeavor to bring worthwhile books to children should strengthen us. -Effi e L. Power (1925b)