A super complete version with additions, corrections, and reorganization!
Two hot-blooded baseball manga drawn by Isami Ishii of "750 Rider"
First book version with additions and revisions by the author!!

In youth baseball! In high school baseball!
The sight of boys chasing a white ball is touching!

Commentary
Isami Ishii Anthology Part 2
A mysterious home run angel guides a baseball boy --- ``Home Run Angel''
What are the conditions to get the true ace number? -- "Mother's No. 1" Coupling Isami Ishii's friendship and tearful baseball manga!!

<Mother's No. 1>
First book published in 1970
Aiming for Koshien in Misawa, the northern land, in the snow Koji Ota, a young boy undergoing special pitching training.
But he forgets that baseball is a team game, and his mother refuses to put the number 1 on his uniform!
Where is the number 1? A masterpiece of a high school baseball manga aiming for Koshien in a snowy country where it is said that baseball players do not grow up!