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https://www.amazon.com/Promise-Me-Dad-Hardship-Purpose/dp/1250171679/ref=sr_1_1?crid=2E0S59EV52H9Y&keywords=promise+me%2C+dad&qid=1672614153&sprefix=promise+me%2C+dad%2Caps%2C98&sr=8-1
比较一下Obama的, 12万多的rating,当然Obama赚的更多,但是好歹跟popular程度有一定的match
https://www.amazon.com/Promised-Land-Barack-Obama/dp/1524763160/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1672614201&sr=8-1