From the 1950s on, shōnen manga focused on topics thought to interest the archetypal boy, including subjects like robots, space-travel, and heroic action-adventure.Popular themes include science fiction, technology, sports, and supernatural settings.
Other magazines like Nakayoshi feature many stories written by many different artists; these magazines, or "anthology magazines", as they are also known (colloquially "phone books"), are usually printed on low-quality newsprint and can be anywhere from 200 to more than 850 pages thick.
Due to cross-readership, consumer response is not limited by demographics.
For example, male readers may subscribe to a series intended for female readers, and so on.
One view represented by other writers such as Frederik L. Kern, stress continuity of Japanese cultural and aesthetic traditions, including pre-war, Meiji, and pre-Meiji culture and art. In Tezuka's "cinematographic" technique, the panels are like a motion picture that reveals details of action bordering on slow motion as well as rapid zooms from distance to close-up shots.
The other view, emphasizes events occurring during and after the Allied occupation of Japan (1945–1952), and stresses U. This kind of visual dynamism was widely adopted by later manga artists.