4Cookie is a genius--Milk, a daredevil. Cookie loves math and science. Milk loves adventure and adrenaline. What could two little girls who are nothing alike possibly have in common? Follow this dynamic duo through their skateboard stunts and tubular-tastic surfs to discover what lies beneath true friendship. Michele McAvoy has created a genuine story that breaks stereotypes and is sure to entertain, excite, and endear young readers and parents alike.