Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Recognizing these are common experiences for teacher educators, the contributors to this book present their struggles and achievements in developing approaches that have successfully guided students to complex understandings of such threshold concepts that impede progress toward bigger learning goals and understandings.