"Fans of the series will be happy to see their old friends." - Kirkus Reviews Pip and Posy are having a lovely day at the beach, collecting shells and digging in the sand. But when Posy takes a nap, Pip makes a new friend named Zac. Zac is very cool: he has lots of fun toys and hes really good at handstands. When Posy wakes up, she finds that Pip is more interested in playing with Zac than with her. A funny and dramatic story about discovering that twos company and threes a . . . PARTY!