This is a book about the science of time travel and the friends that bonded in a way no others had ever or could ever have imagined. The perils and adventures they embarked upon were traumatic, heartfelt, and educationally engaging. There were moments of playfulness, moments of sadness and worry. Tragedy and despair and even death. There is an old familiar face that keeps hope on the horizon when all seems lost. The characters are real and familiar as if you were reading about the kids you grew up with.
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