Costner co-authored The Explorer's Guild: A Passage to Shambhala, a hybrid adventure novel and graphic novel, with John Baird, researcher Stephen C
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Costner co-authored The Explorer's Guild: A Passage to Shambhala, a hybrid adventure novel and graphic novel, with John Baird, researcher Stephen C
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.