Another type of book for babies is the bath book. Made of durable plastic, bath books can be taken into the tub or outside and can endure the worst baby spills! All bath books by major publishers have been safety tested and are completely nontoxic. In these bath books, toddlers will find familiar characters and new friends to make. There are some helpful lessons too - for example, in Potty Time. There are a wide variety of bath books to chose from.