1. 2006-08-31 [3] [Textbook-l] Google Book Search textbook-l Yann Forget 2. 2006-08-22 [1] [Textbook-l] WikiEd eLearning Guidebook textbook-l Erik Moeller 3. 2006-08-16 [5] [Textbook-l] Printed Versions of Textbooks textbook-l Magnus Manske