Gabriel Stylianides is a Professor of Mathematics Education at the Department of Education and a Fellow of Worcester College at the University of Oxford. A Fulbright scholar, he received MSc degrees in mathematics and mathematics education, and then his PhD in mathematics education, at the University of Michigan. He was an Editor of Research in Mathematics Education and is currently an Editorial Board member of the Elementary School Journal and the International Journal of Educational Research. He received an American Educational Research Association Publication Award for his 2009 article "Reasoning-and-proving in Mathematics Textbooks."

The theories and methods are very clearly presented and commented, and usefully illustrated by examples. More generally, the choice of presentation is very relevant, and could be recommended to all researchers trying to communicate their theories and methods to a large audience of students and colleagues.

Gabriel Stylianides is a Professor of Mathematics Education at the Department of Education and a Fellow of Worcester College at the University of Oxford. A Fulbright scholar, he received MSc degrees in mathematics and mathematics education, and then his PhD in mathematics education, at the University of Michigan. He was an Editor of Research in Mathematics Education and is currently an Editorial Board member of the Elementary School Journal and the International Journal of Educational Research. He received an American Educational Research Association Publication Award for his 2009 article "Reasoning-and-proving in Mathematics Textbooks."

The theories and methods are very clearly presented and commented, and usefully illustrated by examples. More generally, the choice of presentation is very relevant, and could be recommended to all researchers trying to communicate their theories and methods to a large audience of students and colleagues.

Gabriel Stylianides is a Professor of Mathematics Education at the Department of Education and a Fellow of Worcester College at the University of Oxford. A Fulbright scholar, he received MSc degrees in mathematics and mathematics education, and then his PhD in mathematics education, at the University of Michigan. He was an Editor of Research in Mathematics Education and is currently an Editorial Board member of the Elementary School Journal and the International Journal of Educational Research. He received an American Educational Research Association Publication Award for his 2009 article "Reasoning-and-proving in Mathematics Textbooks."

The theories and methods are very clearly presented and commented, and usefully illustrated by examples. More generally, the choice of presentation is very relevant, and could be recommended to all researchers trying to communicate their theories and methods to a large audience of students and colleagues.