“It’s” is a contraction of “it is” and “its” is used when saying something belongs to someone like “the dog was small, so its house was also small”
“Mr. Hands,” he said, “here are two of us with a brace of pistols each. If any one of you six make a signal of any description, that man's dead.”
Mr. Hands is kept at bay by Livesey's threats. This shows that the mutineers are cowardly individuals. They only seem courageous in big groups.
Hi !!
It's a compound complex sentence
Although Mary isn't fond of reading makes it = complex (dependent clause)
she read Harper Lee's To Kill a Mockingbird, and she found it fascinating = compound (2 independent clauses)
hope I helped !