Holly's Heart Series by Beverly Lewis

Holly and her best friend, Andie, signed loyalty papers a long time ago. But now a new boy at school threatens to come between them. When Holly's scheme backfires, she learns the meaning of both friendship and forgiveness. Ages 11-14. Holly's Heart book 1.

Holly's best friend has a pen pal visiting from Austria. And to make things worse, she has to give up her precious cat. Holly needs a lesson in overcoming jealousy--before she ruins all her friendships!

Book 11 of Holly�s Heart. When Holly begins high school, she�s not sure she can survive the initiations. But her best friend, Andie, adjusts quickly and begins a campaign for class president�leaving Holly behind. Holly discovers that help can come from the most unexpected sources.