Solomon Snow and the silver spoon

Summary: Ten-year-old Solomon Snow, a foundling who was discovered with a distinctive silver spoon in his mouth, sets out to find his parents and receives help along the way from a sharp-minded girl named Prudence, a charming child called the Infant Prodigy, and a filthy (yet extremely cheerful) chimney sweep. Can Solly's new friends help him to reclaim his spoon -- and his true identity?