Mallory McDonald has four big problems. Problem #1: The boy she likes doesn't like her back. Problem #2: Her brother is mad at her. Problem #3: Her dad is upset

Eight-year-old Mallory feels left out when her older brother, Max, gets a dog that becomes the center of attention.

Mallory has a new diary, and big news to write in it: a cute fifth-grade boy LIKES her! The only problem: Mallory's friends are more excited about it than she i

Looking forward to a family road trip to the Grand Canyon, Mallory's excitement dwindles when she finds out that her snobby cousin Kate will be coming along.

When her best friends Mary Ann and Joey get caught up in the excitement of having a new baby brother, Mallory feels left out.