A World Without Summer: A Volcano Erupts, a Creature Awakens, and the Sun Goes Out by Nicholas Day; illus. by Yas Imamura Intermediate, Middle School Random House Studio/Random 304 pp. 9/25 9780593643877 $19.99 On April 10, 1815, on the small Indonesian island of Sumbawa, the volcano Tambora erupted with such explosive force that it changed Earth’s climate and thus the course of human history.