Whether it's souvenir notebooks, school yearbooks, autograph albums, or on-line guestbooks, kids have been writing each other commemorative notes for generations. Here are some of our favorites from verses our grandmothers remember to up-to-date messages employing the latest on-line shorthand. Vibrantly and cleverly illustrated in sherbet hues by Christy Hale, these effusive inscriptions include messages of friendship, inspiration, one-liners, and nonsense.