Young Dial: Shōnen Jiken Dai-Zeroka #4

Young Dial: Shōnen Jiken Dai-Zeroka was a niche manga series published in Japan during the late 1960s, a period marked by the rapid growth of the seinen and shōnen magazine markets. The series focused on mystery and investigative themes tailored for younger audiences, reflecting the era's fascination with youth-led detective stories that combined pulp narrative tropes with contemporary urban settings.

This specific issue, number 4, was designed to fit the standard aesthetic of the period's digest-sized manga monthlies, utilizing high-contrast ink work and bold, dramatic cover compositions intended to grab attention on crowded newsstands. While the series did not reach the widespread cultural status of major shonen franchises, it remains a notable example of the stylistic experimentation common to the era's smaller-run serialized works.