Books by Dan Marzollo

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About Dan Marzollo

Dan and Dave Marzollo have been a part of the I Spy family for years, helping their mother, Jean, create riddles for the I Spy challengers, readers, and board books. Over 30 years ago, they tested the first I Spy book as kids, and are thrilled to be continuing the legacy. Dan lives in New York City with his wife, Sara.