Claudia's Big Party (The Baby-Sitters Club #123) (Baby-sitters Club (1986-1999))

Claudia's loving the October weather and her many friends, both in school and in the BSC. But when she throws a party to bring her two groups of pals together, she creates more problems than she solves. Ann M. Martin is the creator of The Baby-sitters Club, which has more than 190 million books in print, making it one of the most popular series in the history of publishing. Her novels include A Corner of the Universe (a Newbery Honor Book), Belle Teal, Here Today, A Dog's Life, On Christmas Eve, and the Main Street and Family Tree series, as well as the much-loved collaborations P.S. Longer Letter Later and Snail Mail No More, with Paula Danziger. Ann lives in upstate New York