You will find that the illustrated diagrams explain things clearly.
GTO: 14 Days in Shonan, Volume 4 Paperback Toru Fujisawa
You will appreciate the illustrated reference section in the back.
GTO: 14 Days in Shonan, Volume 7 (Great Teacher Onizuka), Fujisawa, Toru, Excell
A nice touch in this activity book is the peel-and-stick reward badges.