Mystery on the Pecos : Pen-L Publishing : 9781683131816 : 1683131819 : 12 Nov 2018 : The Will & Buck Series: Book Two For Readers 8 - 12 Grades 3 - 7 by award-winning author Alice V. Brock Crates of stolen army supplies hidden in a cave. A fresh grave. These mean trouble for twelve-year-old Will and Two Feathers, his half Comanche adopted brother. Will's father is accused of stealing army goods and murdering a soldier. The boys set out to discover the true thief and murderer, but who can they trust? They must work in secret and in deadly danger to solve the mystery. Things get worse when Two Feathers discovers that their old enemy, the Comanche War Chief Yellow Hawk, is stalking them again, meaning to kill both boys and take Buck, Will's faithful stallion. What will the three have to risk to uncover the truth and right the wrong?