MK
Marie Kondo
Marie Kondo , also known as Konmari (こんまり), is a Japanese organizing consultant, author, and TV presenter.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

The Life-Changing Magic of Tidying Up The Japanese Art of Decluttering and Organizing
2015
ISBN 9781785040504
La felicidad después del orden / Spark Joy
2016
ISBN 9781945540028