Free Shipping! Thank you for supporting Thomas Charities! Thomas Charities is a Christian 501(c)3 tax-exempt nonprofit humanitarian organization dedicated to empowering and encouraging those without the resources to sustain themselves. Overseas we provide mobile medical clinics, promote literacy and health education, and develop micro-enterprises for women/widows/orphans in East Africa. Disclaimer: All items are graciously donated from the general public and their content may not reflect the values or beliefs of Thomas Charities. Precalculus: A Problems-Oriented Approach [Jun 01, 1987] Cohen, David ISBN:0314262091 Author:Cohen, David Publisher:West Group Release Date:1987-06-01 Seller Category:– Qty Available:1 Condition:Used: Good Sku: AN-BH1A-C6M4 Notes: General wear. Edge-wear. Don’t forget to check out other great deals in our eBay Store!!