关于我们
说明
Web-based textbook distributor of the Life of Fred series of math textbooks, math "as serious as it needs to be." Humorous math textbooks from Fractions through college-level Calculus and Statistics.
业务数据
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超过1000人
2009
Logo
- 3857 Terra Vista Way
- Sacramento, California, 95821
- 美国
- 电话:(916) 570-3839
- 传真: ---.---.-----
- 网站:www.ztwistbooks.com