About Silvia Alvarez Books by Silvia Alvarez The Last Tree by (author) María Quintana Silva illustrated by Silvia Alvarez Ages 4 to 8 Grades p to 3 El ultimo arbol (The Last Tree) (The Last Tree) by (author) María Quintana Silva illustrated by Silvia Alvarez Ages 4 to 8 Grades p to 3 El ultimo arbol (The Last Tree) by (author) María Quintana Silva illustrated by Silvia Alvarez Ages 4 to 8 Grades p to 3