"Brothers Mac and Mac are SO lucky that everything goes well - even when their frenemy Meatball plays tricks on them"--

Bear always wears his lucky underwear when he plays soccer with the Red Devils but after a series of mishaps and some terrible teasing, he wonders if they have lost their luck.

"If Mari Feijoo could, she would turn her family's Peak Cubanity down a notch, just enough so that her snooping neighbor and classmate Mykenzye wouldn't have anything to tease her about. That's why this year, there's no way that Mari's joining in on one of the big-gest Feijoo family traditions-burning the New Year's Eve effigy her abuela makes. Only Mari never suspects that failing to toss her effigy in the fire would bring something much worse than...

When Frank's favorite baseball player, the mighty Keefoffer, strikes out, Frank loans him his lucky hat to help him hit a home run.

On the last day of school Brad keeps running into bad luck, but by the end of the day he realizes that there is always a chance things will get better.

When sixth-grader Livvie decides to throw a chain letter in the trash, bad luck ensues.

When Grandpa's lucky hat goes missing during a college football game, detective Jeffrey Bones and his friend Sally help look for it.

"James has five quarters and Danny has four. That means nine whole tries to get the little silver race car out of the gumball machine at Mr. Wright's store after school. Only very, very lucky people get both gumballs and the silver racer. It's a good thing that one of James's quarters is a Canadian quarter, which just so happens to be very, very lucky. But is it lucky enough to get him that silver racer? Bing! Bang! Kaboom! He's about to find out!...

Blaming The Bad Luck for not being anyone's Favorite, fourth-grader Penelope Crumb hopes to change this situation by becoming the lead artist for the mural her class is painting for the residents of Potwaller's Blessed Home for the Aging.