11. The company developed new media alternatives for textbooks and trade books using technology. 12. Posselt then established a private textile academy and a textile trade book business. 13. Non-trade books , like textbooks, were usually discounted only 10 percent under the contract. 14. The guild's chief concern about market concentration involves trade books . 15. The Press also publishes trade books and journals relating to their major subject areas. 16. Neusner composed numerous textbooks and general trade books on Judaism. 17. In addition to its financial information services, such as Extel, Pearson publishes trade books . 18. She also became a trade book buyer for a bookstore. 19. The Museum has also published 6 trade books since 2004. 20. Also check the classified ads or help wanted sections of information technology trade books .
