9 1/4 inches X 11 3/8 inches, 32 pages. Answers questions such as 'Will the sun ever go out?' and 'Which stars explode?' Bright, very clean book, in new condition. 'The amazing 'I Wonder Why.' collection reveals unexpected and entertaining answers to all those tricky questions about how our world works. Filled with information and quirky facts to keep young minds buzzing, these unique books will amaze, amuse, satisfy, and inspire!' View More...