G. E. T. Holloway 
Further Aspects of Piaget”s Work [PDF ebook] 

This book was first published in 1967. This volume presents two areas of Piaget”s work on the child”s conception of Geometry and then also to Space which were initially published in 1948. It acts as an introduction to Piaget”s work in the hope of rousing the interest of teachers with the aim of helping children to learn mathematics by helping them to understand how children form mathematical ideas.