Title: Annika Riz, math whiz
Description: Annika hopes to change her best friends' hatred of math by winning a Sudoku contest, but she does not realize how important their lack of mathematical ability is until they make a mistake at the school carnival.
Subjects: School stories, JUVENILE FICTION / Social Themes / Friendship, Juvenile fiction, Fiction, Carnivals, Schools, Mathematics, JUVENILE FICTION / School & Education, Contests, Friendship, JUVENILE FICTION / Concepts / Counting & Numbers, Children's fiction, Friendship, fiction, Schools, fiction, Festivals, fiction, Contests, fiction