Jimi & Me by Jaime Adoff

Keith's beloved father is killed in a robbery and the 13-year-old's world falls apart.  Without the life insurance they expected, his music producer father's death leaves Keith and his mom destitute.  Moving from a nice apartment in New York to his aunt's small Ohio town where a biracial kid does not find easy acceptance.  There he challenges his new school by dressing like Jimi Hendrix, the musical hero shared with his father.   When his mom discovers the reason his dad left them with nothing, Keith vows to meet the secret son his father seems to have cherished more than him. 

How Lamar's Bad Prank Won a Bubba-Sized Trophy by Crystal Allen

Thirteen-year-old bowling phenom, Lamar, has a reputation for playing pranks, a basketball-star older brother who treats him with contempt, and a great yearning for a girlfriend.  On top of that, he's got a smart mouth which continually complicates his life.  After hooking up with a juvenile offender to set up suckers in bowling competitions, his life spirals downward.  A prank goes horribly wrong and the resulting consequences threaten his brother's hopes for a sports career, a new romance, and the relationship with his best friend.  A wonderful mix of tender and hilarious.