The daughter of poet Lord Byron and mathematician Anna Isabella Milbanke, Ada Lovelace (1815-52) was destined for greatness. Urged to reject Byron's "mad" love of poetry, Ada remained fascinated with her father and considered mathematics "poetical science." Via her friendship with inventor Charles Babbage, she helped to refine his Analytical Engine, a precursor to the computer, and as this biography for readers 4 to 8 explains, she is often considered the world's first computer programmer. After creating hundreds of watercolor paintings, Fiona Robinson carefully cut them apart and reassembled them in these stunning, somewhat three-dimensional images.