Olive and the Big Secret by Tor Freeman
ISBN 9780763661496
Olive learns the hard way that keeping secrets is tough, and telling them can make for a whole lot of trouble When Molly shares a secret with Olive, the urge to tell is just too great Olive tells Joe who tells Matt who tells Lola. But Lola is best friends with Molly. Uh-oh, the secret is out, and Olive is in for it.