Last Call by Tim Powers. What a ride. From the back cover:
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Set in the gritty, dazzling otherworld known as Las Vegas, LAST CALL tells the story of a one-eyed professional gambler who discovers that he was not the big winner in a long-ago poker game...and now must play for the highest stakes ever as he searches for a way to win back his soul.
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Modern day fantasy rooted in real history of Las Vegas, Bugsy Siegal, and The Fisher King.
Pasta