Concentration

Concentration

Staying Focused in Times of Distraction

by Stefan Van der Stigchel

Translated by Danny Guinan

224 pp., 5 x 8 in, 8 b&w illus.

  • Paperback
  • 9780262538565
  • Published: May 5, 2020

$19.95

  • eBook
  • 9780262357845
  • Published: April 10, 2020

$19.99