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The manga was adapted into a 2011 Studio Ghibli film directed by Gorō Miyazaki, with a script co-written by the director's father, Hayao, and Keiko Niwa, co-author of the scripts for The Secret World of Arrietty (2010) and Tales from Earthsea (2006).
;The Secret World Of Arrietty by Bridgit Mendler
Arrietty: a 2010 Japanese animated film from Studio Ghibli, known as The Secret World of Arrietty in North America.