Spy vs. Spy is a Ninjago: Masters of Spinjitzu book that was released in 2015. It records the events of "Spy for a Spy."
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It takes a ninja! The wise-cracking Masters of Spinjitzu are back with new adventures on Cartoon Network and new LEGO sets on sale everywhere.
An all-new adventure based on the latest season of the hit LEGO Ninjago TV show on Cartoon Network!