Emily Arnold McCully

Mirette learns tightrope walking from Monsieur Bellini, a guest in her mother's boarding house, not knowing that he is a celebrated tightrope artist who has withdrawn from performing because of fear.

"Even by 1800s standards, Ada Byron Lovelace had an unusual upbringing. Her strict mother worked hard at cultivating her own role as the long-suffering ex-wife of bad-boy poet Lord Byron while raising Ada in isolation. Tutored by the brightest minds, Ada developed a hunger for mental puzzles, mathematical conundrums, and scientific discovery that kept pace with the breathtaking advances of the industrial and social revolutions taking place in Europe....