A lesson book about sketching outdoors with watercolor pencils. The idea is to put the pencils in your bag and draw the things you find outside.
It gives tips and hints for drawing without taking much time. It also shows how to draw from photos when drawing outside is difficult.
The book is part of Miyuki Sugihara's Hajimete-san no Suisai Iroenpitsu Lesson series. It is an A4 variant size (195 x 215 mm) with 104 pages.