David Macaulay received his bachelor of architecture degree from Rhode Island School of Design. In January 1973, Macaulay went to France to work on the first of his twenty-five books, Cathedral . He then constructed a colonial Roman town ( City , 1974), erected monuments to the Pharaohs ( Pyramid , 1975), dissected the maze of subterranean systems below and essential to every major city ( Underground , 1976), built a medieval fortress ( Castle , 1977), and dismantled the Empire State Building ( Unbuilding , 1980). Macaulay is perhaps best known for The Way Things Work (1988). It was followed by Black and White (1990) for which he won the 1991 Caldecott Medal. A revised edition of The Way Things Work was published in 1998 followed by Building Big , Mosque , and The Way We Work (2008). Sheila Keenan is an established author of fiction and nonfiction, including Greetings from the 50 States; Animals in the House: A History of Pets and Peop≤ O, Say Can You See? America's Symbols, Landmarks, and Inspiring Words; and Gods, Goddesses, and Monsters: A Book of World Mythology. Her work Dogs of War is a graphic novel of historical fiction based on the role of dogs in the military.