bound book

10 LETTERS · STARTS WITH B

bound book is a valid 10-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3O1U1N1D2B3O1O1K5

3 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 5 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does bound book mean?