``Goro's Adventures'', which was serialized in many academic magazines, is now available as a complete e-book, including the color pages and front pages from when it was published in the existing magazine!! It was invented by Goro's uncle, Dr. Tarayoshi. is a self-propelled aircraft (time machine). During spring break, Goro and his uncle board a self-propelled aircraft and go on a great adventure that transcends time and space.