Anything written prior to 1945 is likely to be acceptable.
However post-1945 you must be more discerning. CS Lewis (Narnia series & Space series) is excellent for elementary to teen children. Tolkien suits teenagers as well.
You can also look at Edgar Rice Burroughs (John Carter series), Robert E Howard, HP Lovecraft.
Science fiction is one category that I think you need to be extra careful around. Even generally good authors like Heinlein can use sci-fi as a vehicle to indulge their own fantasies about human nature. Heinlein has a lot of young women falling into harems of older men, for example. Many certain-ethnic sci-fi authors, like Arthur C. Clarke were sexual deviants and had warped ideas about how society should be
Anything written prior to 1945 is likely to be acceptable. However post-1945 you must be more discerning. CS Lewis (Narnia series & Space series) is excellent for elementary to teen children. Tolkien suits teenagers as well.
You can also look at Edgar Rice Burroughs (John Carter series), Robert E Howard, HP Lovecraft.
Science fiction is one category that I think you need to be extra careful around. Even generally good authors like Heinlein can use sci-fi as a vehicle to indulge their own fantasies about human nature. Heinlein has a lot of young women falling into harems of older men, for example. Many certain-ethnic sci-fi authors, like Arthur C. Clarke were sexual deviants and had warped ideas about how society should be