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1908 – When Wendy Grew Up – An Afterthought, a short sequel play first staged in 1908, but only published in book form in 1957. The story first appeared as a chapter in Barrie's The Little White Bird published in 1902. 1906 – Peter Pan in Kensington Gardens: an origin story where the infant Peter flies away from his home, takes up residence in Kensington Gardens and makes friends with the fairies.
This play was later adapted as a novel by Barrie. After the play was first staged in 1904, Barrie continued to make changes until the script was published officially in 1928.
1904 – Peter Pan, or The Boy Who Wouldn't Grow Up (play): Peter brings Wendy and her brothers to Neverland, where he has a showdown with his nemesis, Captain Hook.2.29 Books with unconfirmed release dates.