Kidou Senshi Gundam-san
機動戦士ガンダムさん
In the Kidou Senshi Gundam-san series:
1) Saisho no Maki
2) Tsuki no Maki
3) Mittsume no Maki
4) Yottsume no Maki
5) Itsutsume no Maki
Starting from the 5th volume, Gundam Sousei, which has 24 chapters, is included in the tankobon.