拙著

1. Origins, structure, and basic meaning

• Structure: Written 拙著 and read せっちょ, it is a humble expression an author uses for their own book.
• Basic usage: It is used when presenting one's book or thanking someone for reading it.

2. Common pitfalls and similar expressions

• Only for one's own work
  • The phrase is conventional self-deprecation, not an objective judgment of another author's book.