normalize tables to 3nf

CREATE TABLE Book ( ISBN INT NOT NULL, B_Name VARCHAR (50) NOT NULL, B_author VARCHAR(20) NOT NULL, B_publisher VARCHAR(25), B_State VARCHAR(20) NOT NULL, lno INT NOT NULL, PRIMARY KEY (ISBN), FOREIGN KEY(Ino) REFERENCES LibraryItems(1_number) ) Table created. CREATE TABLE AudioBook( A_number INT NOT NULL, A_name VARCHAR (50) NOT NULL, ReaderName VARCHAR (50) NOT NULL, A_publisher VARCHAR(25), ISBN INT NOT NULL, PRIMARY KEY (A_number), FOREIGN KEY (ISBN) REFERENCES Book(ISBN) )