Designed by Arik Levy, the Level bookcase from Zanotta echoes the geometric abstractions of early 20th century Dutch artist Piet Mondrian. It can stand vertically (so its about 6 feet, 3 inches tall, as shown) or flipped horizontally (so its 4 feet, 10 inches tall). The frame has fiberboard core and oak veneer finish. Cost as shown, with optional inserts in gray, orange and green: $11,926. www.unicahome.com.