Dead Man's Trail (K-9 Mystery Series)

A frightened boy turns into a runaway murder witness, relying on only his bike and brains to evade the killers.

When Ricky Lopez skips school and bikes out to his boss's remote bungalow, he isn't worrying about anything except collecting his pay. Cleaning portables isn't a fun job, and he doesn't intend to let anyone cheat him out of his hard-earned cash.

But his life is upended when he witnesses a shocking murder and discovers the portables are used for trafficking illegal drugs. Worse, ...