The first book of the Shogakukan Manga Award-winning masterpiece! A masterpiece of early boy hero manga that depicts the amazing adventures of Susumu-kun and his rocket partner Robotket, and won the Shogakukan Manga Award at the same time as ``Tebukuro Tecchan.'' All pages faithfully reprint the long-awaited first book version. Moreover, all color pages are reproduced in color! (Special commentary from Leiji Matsumoto)