A person who is an expert in books is commonly known as a librarian or a bibliophile. They have deep knowledge and passion for literature, ranging from classic novels to contemporary works, and are often sought out for book recommendations and guidance.
An Expert Aviator is called an "Ace".
A cultures expert is called an ethnologist.
what ia an expert pilot called
A bully expert is called a bullnation
A grammar expert is called a grammatician or a grammarian.
Expert advice or expert guidance.
An expert in his field is often called a specialist or an authority.
an expert on China is called a sinologist.
A cultures expert is called an ethnologist.
It depends on who the expert is.
Don't know the origin of the word, but a snake expert is called a herpetologist.
The study of earthquakes is called seismology so an earthquake expert should be called a seismologist.