The lemon thorn

the long version

"For many summers, young Carlos Reynoso has journeyed north to harvest lemons to finance his medical education in Mexico. His original goal was to reside and practice in his home state of Jalisco, but on his final bus-ride to the U.S., he encounters an American girl who, along with her family, derails his well-intentioned plans. The discovery of a dead body in a lemon orchard along with other events and new acquaintances add complexities to his life ..."--Description from www.amazon.com