def rl(root): return read_book_producers(root, read_prefixes(root), read_refines(root))
def rl(root): return read_book_producers(root, read_prefixes(root), read_refines(root))
def rl(root): return read_book_producers(root, read_prefixes(root), read_refines(root))
def rl(root): return read_book_producers(root, read_prefixes(root), read_refines(root))