Harold Hagen, aka Dr. Know-It-All, keeps a journal of his daily jukebox repair work. His writings have been published monthly in Always Jukin’ magazine since 1991. These books spark the first in a series to recapture the birth of the Dr. Diary column from day 1.

(See the Dr. Know-it-All section in the issue linked here: DR. LINK )

 

Each book is 150 pages.