Short answers, pulled from the story.
The Monster manga series was serialized in Shogakukan's Big Comic Original magazine from December 1994 to December 2001. The story began on the 1st of December 1994 and concluded with the 162nd chapter in December 2001.
Naoki Urasawa wrote and illustrated the Monster manga series. The anime adaptation was produced by Madhouse and aired on Nippon Television from April 2004 to September 2005.
The Monster manga follows Dr. Kenzo Tenma who saves a young boy named Johan Liebert instead of a mayor. Years later Tenma pursues Johan across Germany because Johan becomes a sociopathic serial killer who murders anyone who sees his face.
The Monster manga consists of 18 volumes containing 162 chapters. The series has sold over 20 million copies worldwide since its initial publication.
The Monster manga won the 46th Shogakukan Manga Award and the Grand Prize of the 3rd Tezuka Osamu Cultural Prize. Critics have praised the series as a timeless classic that balances mystery and horror with moments of love and hope.