Question

What theme does Twain express throughout the book as his characters make use of disguises, tricks, and lies?

Answer 1

The theme that Twain expresses throughout the book as his characters make use of disguises, tricks, and lies is appearance versus reality. 

Answer 2

The theme that Twain expresses throughout the book as his characters make use of disguises, tricks, and lies is appearance versus reality. Option 2 is correct.

Samuel Langhorne Clemens  known by his pen name Mark Twain, was an American writer, humorist, entrepreneur, publisher, and lecturer. His novels include The Adventures of Tom Sawyer (1876) and its sequel, the Adventures of Huckleberry Finn (1885), the latter often called "The Great American Novel".