Oblong duodecimo pictorial boards spiral bound (tips worn) (20pp) One movable has tab element replaced and another has a tear in the background repaired to the inside. Pg7 was cut short at the time of publishing so that it does not engage with the spiral spine (it is not a moving page and is hardly noticable) Last text page has a corner crease and a few faint marks. The movables are anchored/pivot on gromets. A clever movable (MONTANARO 115).