Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: The Gifts of the Jews

While the title held great promise, the book failed to deliver anything substantial. Attempting to cover his obvious religious roots, the author leaned heavily into a mixture of New Age, atheism and wholly fabricated scenarios not supported by any substantial historical facts. Playing fast and loose with history, he admits to these fabrications with the plea "It could have happened like that!"At the end of the book, realizing the author has failed to substantiate exactly which "gifts" the Jews have given us (not a difficult thing to do for our culture), he baldly asserts God is "unprovable&quot.; END