Peter Hernandez, right, 7, with Angel Lopez, 8, center, and Angel Martinez Pulido, 9, learn the process of automatic book assortment by grade level during a tour of the Spread the Word Nevada offices and warehouse in Henderson, Thursday, Jan. 17, 2019. Carlos Santana’s Milagro Foundation made a donation to provide more than 15,000 books to 57 schools in Southern Nevada. (Erik Verduzco/Las Vegas Review-Journal) @Erik_Verduzco