Board book
Encyclopedia
A board book is a type of book printed on thick paperboard
Paperboard
Paperboard is a thick paper based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker than paper. According to ISO standards, paperboard is a paper with a basis weight above 224 g/m2, but there are exceptions. Paperboard can be single...

. The paperboard is printed and used for both the cover and the interior pages. Each page panel is a minimum of two plies of paperboard thickness. Unlike a typical paper book that is bound with saddle stitching (staples) or perfect binding, a board book's pages are specially folded and bound together. Board books are very durable and consequently intended for small children as they often tend to be destructive and unpredictable. Most of the board books produced in the world are produced in China and Mexico; however, there is one board book printer still located in the United States.
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