Those characters, Alba and Miguel, appear in this author's most famous work which also features Clara and Esteban of the Trueba family.
One character created by this author journeys to the Amazon, meets the People of the Mist, and goes on safari to Kenya before meeting a bunch of pygmies in the forest. This creator of Alexander Cold wrote a novel in which the title character is conceived when a war journalist sleeps with a gardener dying from a snakebite. This writer's best known novel sees one character fall in love with a green-haired girl and alienate his granddaughter and her lover.  Those characters, Alba and Miguel, appear in this author's most famous work which also features Clara and Esteban of the Trueba family. For 10 points, name this Chilean-American author of Eva Luna and The House of the Spirits.
One character created by this author journeys to the Amazon, meets the People of the Mist, and goes on safari to Kenya before meeting a bunch of pygmies in the forest.
Isabel Allende Llona