1. Editorial

   • Konrad Krainer

   Editorial Board Pages: 87 - 90

2. Initiating Change in Prospective Elementary School Teachers' Orientations to Mathematics Teaching by Building on Beliefs

   • Rebecca Ambrose

   OriginalPaper Pages: 91 - 119

3. Teachers' Knowledge of Children's Mathematics after Implementing a Student-Centered Curriculum

   • Susan B. Empson
   • Debra L. Junk

   OriginalPaper Pages: 121 - 144

4. The Pedagogical Content Knowledge of Middle School, Mathematics Teachers in China and the U.S.

   • Shuhua An
   • Gerald Kulm
   • Zhonghe Wu

   OriginalPaper Pages: 145 - 172