Yes, Cathy Glass books are based on true stories. She has a background in fostering children and uses her real - life experiences to write these books. Her stories often deal with the complex issues faced by children in the care system and the people who look after them.
Most of her books can be suitable for young readers, but some may deal with more mature themes. It really depends on the individual's maturity level. Some of her stories are quite inspiring and can teach young people about empathy and kindness.
I've never heard of it being a popular novel, but that doesn't mean it isn't popular among a niche group of readers. It's such an unusual title that it might not have reached a wide audience yet.
Well, without more context it's hard to say precisely. Maybe the 'alien glass' is a key object or substance in the story, and 'like grass' could be used to describe something that has similar characteristics to grass, like its appearance or growth pattern. It could be a story about discovery and exploration in an alien world where these things play important roles.
There might not be many sadistic stories like Sea of Glass and Germinal, but he could try searching for some keywords to find inspiration. The sadistic stories usually had some more heart-wrenching plots, such as brothers killing each other, misunderstanding each other, betrayal, and so on. He could search for some related keywords such as " Xunlu sadistic love "," brothers falling out "," love and betrayal "," psychological description ", and so on to find inspiration based on the search results.