Books in the Ratio Holmes series

Meet Ratio Holmes! He's not really the great, great grandson of the fictional character Sherlock Holmes, but all the other kids seem to think he is. Now he's a detective whether he likes it or not. Still, he's creative, good at thinking through facts, and has a wicked smart best friend, Jinju. Together, they might make great detectives after all!Ratio Holmes has no intention of continuing detective work after his first case. That is until a green backpack, an art competition, and a friend in need come together. Jimmy-called-James has been accused of vandalizing another artist's painting. Even with Jinju's help, it won't be easy for Ratio to prove his friend's innocence to the satisfaction of the Longtides Elementary Art Teacher: Ratio's mom.Lexile: 540L