Germán Vergara explains how, when, and why fossil fuels (oil, coal, and natural gas) became the basis of Mexican society.

1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.

A modern classic for our time and for all time-this beloved, award-winning bestseller resonates with fresh meaning for each new generation. Perfect for fans of Kate DiCamillo, Christopher Paul Curtis, and Rita Williams-Garcia. Pura Belpre Award Winner * "Readers will be swept up." -Publishers Weekly, starred review Esperanza thought she'd always live a privileged life on her family's ranch in Mexico. She'd always have fancy dresses, a beautiful home filled with servants, and Mama, Papa, and Abuelita to care for her. But a sudden tragedy forces Esperanza and Mama to flee to California and settle in a Mexican farm labor camp. Esperanza isn't ready for the hard work, financial struggles brought on by the Great Depression, or lack of acceptance she now faces. When Mama gets sick and a strike for better working conditions threatens to uproot their new life, Esperanza must find a way to rise above her difficult circumstances--because Mama's life, and her own, depend on it.