Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Based on HappyNeuron’s scientifically designed cognitive exercises, this workbook holds the key to working out your brain while having fun! Complete an exercise each day to work on memory, lexical knowledge, and other cognitive skills. Visit worksheets.happyneuron.com for more cognitive exercises.