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HUGO AWARD WINNER: BEST NOVELLA

NEBULA AND LOCUS AWARDS WINNER: BEST NOVELLA

ONE OF NPR'S BEST BOOKS OF 2019

Two time-traveling agents from warring futures, working their way through the past, begin to exchange letters--and fall in love in this thrilling and romantic book from award-winning authors Amal El-Mohtar and Max Gladstone.

In the ashes of a dying world, Red finds a letter marked "Burn before reading. Signed, Blue."

So begins an unlikely correspondence between two rival agents in a war that stretches through the vast reaches of time and space.

Red belongs to the Agency, a post-singularity technotopia. Blue belongs to Garden, a single vast consciousness embedded in all organic matter. Their pasts are bloody and their futures mutually exclusive. They have nothing in common--save that they're the best, and they're alone.

Now what began as a battlefield boast grows into a dangerous game, one both Red and Blue are determined to win. Because winning's what you do in war. Isn't it?

A tour de force collaboration from two powerhouse writers that spans the whole of time and space.