I will admit that most of them have female leads, so they would be more geared towards girls. As a middle school girl I loved that! But there are 3 books that boys might enjoy. They don't have only boy main characters, but they have a more ensemble cast with boys that play a main role. These three are ones that I do suggest to boys.
The lives of five captives hang in the balance while their families gather the ransom. Two brothers, their family frantic to find their sons. A loner whose uncle doesn't even know he's missing. An Army brat whose family will never be able to raise enough money. And a cheerleader who can't count on her stepdad, but feels sure her father will come through.
Killing Mr. Griffin
Mr. Griffin is the strictest teacher at Del Norte High, with a penchant for endless projects and humiliating his students. Even straight-A student Susan can't believe how mean he is to the charismatic Mark Kinney. So when her crush asks Susan to help a group of students teach a lesson of their own, she goes along. After all, it's a harmless prank, right?
But things don't go according to plan. When one "accident" leads to another, people begin to die. Susan and her friends must face the awful truth: one of them is a killer.
Four teen-agers who have desperately tried to conceal their responsibility for a hit-and-run accident are pursued by a mystery figure seeking revenge.