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&[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/e1e49a98-14a2-48d2-bba8-ce0356ab0352
&[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/1eaa6cbe-18c3-4bc6-8e63-84956fb16656 [Original NB]: https://www.wolframcloud.com/obj/7e02318b-b4a3-4c62-a296-687d26af2121
Hello Shenghui, Yes I cherish my copy of New Horizons In Geometry. I am blessed to have met Mamikon and to have known him while living in California and to visit him when he was working at CalTech. The color images in the book are priceless.