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Photo from Leslie Granda-Hill
Luis Carlos Montalván, 38, who grew up in Potomac, and his service dog, Tuesday, will give a talk and sign copies of their book, "Until Tuesday: A Wounded Warrior and the Golden Retriever Who Saved Him," at Barnes & Noble in Rockville on Tuesday. The book explores Montalván's experience in Iraq and his relationship with service dog Tuesday, who helped Montalván overcome obstacles of post-traumatic stress.