Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Originally published in 1950, the author after many years’ teaching of psychology, and previous school teaching experience, provided a book specially suitable for students in training colleges and university education departments, for teachers, youth leaders, and all concerned with the training of children and adolescents at the time.