“Say Triskaidekaphobia!” the Cat in the Hat told the children, posing for a photo at the Mattapoisett Free Library on Saturday, March 22. What the heck is that, the children asked the Cat in the Hat. “Google it!” he told the children laughing at his silliness. The library knows how to throw a party, celebrating five years since the Friends of the Mattapoisett Library funded the expansion of the library. “They even bought a cake,” said Children’s Services Librarian Sandra Burke. By Jean Perry