Summary
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. Full description
Series: Franklin School friends
Kelsey Green, reading queen (Volume 1.)
Annika Riz, math whiz (Volume 2.)
Izzy Barr, running star (Volume 3.)
Simon Ellis, spelling bee champ (Volume 4.)
Cody Harmon, king of pets (Volume 5.)