The same book that has clothing rules like "don't wear clothing of mixed material" or food safety guidelines like "it is forbidden to eat animals from the water

The same book that has clothing rules like "don't wear clothing of mixed material" or food safety guidelines like "it is forbidden to eat animals from the water which don't have fins"? A book that was written way before internet porn existed? Before science existed? Such a book would help? Thanks, but I'll pass.