There are 1 book by Oba Osamu on BookOrb. A strong starting point is Books and Boats (2012). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Oba Osamu written?
BookOrb lists 1 book by Oba Osamu.
Where should I start with Oba Osamu?
A good starting point is Books and Boats (2012).
What is the Oba Osamu books in order list?
In publication order: 1. Books and Boats (2012).