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T.A. Leederman is the main author of prose fiction works and lore manager of the Starship Valkyrie universe, as well as the author of the Out of Eden science fiction series. She is the creator and main contributor of the Starship Valkyrie wiki, overseer of the star maps, and author of the Kuromoto family stories, with many more to come.

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Starship Valkyrie was originally a science-fiction, military crisis simulator and role-playing game created in 2010 by Christian Brown, with stories set within the Praezorian Wars in the starfaring 2150s. In 2013, Robert Prag began writing Valkyrie scenarios, followed by T.A. Leederman in 2014, when they became a writing team. In 2015, T.A. Leederman created the wiki and began managing the central lore, building out the Pollux Corridor for the Gryphon storyline and assisting Christian Brown with central Valkyrie worldbuilding. In 2022, after many years contributing to and helping to build out the Valkyrie world, Robert Prag and T.A. Leederman bought and took over Starship Valkyrie IP, and they have since been working on a new and improved ruleset for the role-playing game. 

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Out of Eden is an original science fiction universe unconnected to Starship Valkyrie, set in the far future after the sundering of humanity across the stars. Inflected by fantasy, space opera, and cyberpunk themes, Out of Eden tells a story of family loyalty and insurrection, in an otherworldly setting of extreme environmental limitations, sectarian violence, and transhumanist philosophy. 

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