The length of novels written by children varied according to their writing style, storyline, and writing time, but it was usually no less than a few million words or more.
In the process of writing, children may spend months or even years revising and perfecting their works. Therefore, even a simple story could be edited and polished many times to form a complete novel.
Of course, this was only a rough estimate. In fact, the length of a novel written by a child would be affected by many factors.
The Naruto manga series consists of a considerable number of volumes. Specifically, there are 72 volumes. These volumes cover the entire story arc and adventures of the characters.
There are many Naruto comics. The count depends on how you define them. If you only consider the main storyline, there are a specific number of volumes. But when you factor in special editions and related works, it becomes more difficult to determine an exact figure.
There are a significant amount of Naruto manga. The series was long and popular, resulting in numerous volumes. However, for an exact number, you might need to refer to official sources or comprehensive manga databases.