Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
A simple self-help tool, to help manage a busy mind with mindfulness techniques. Small enough to take everywhere, to help whenever and wherever needed. Just flip to any page, and there will be a technique that could help.