Minneapolis : Graphic Universe, 2010.
45 p. : col. ill. ; 23 cm.
At Sifu Faiza's Kung Fu School, kids learn to be strong and fast. They also learn to be smart, cool-headed, and honest. So Joy, Adam, Sam, and Amy are surprised when the key to the school is stolen -- as well as their kung fu gear. Now they'll have to use all kinds of calculations -- addition, subtraction, multiplication, and division -- to figure out the clues, follow the thieves, and find ...