The Mysterious Bendedict Society by Trenton Lee Stewart

Four smart kids. One very dangerous mission. Reynie Muldoon, Sticky washington, Kate Wetherall, and Constance Contrairie are four of the last children to pass the test that Mr.Benedict tested them on. But now, as they face their enemies, Mr.Benedict's twin brother, Mr.Curtain and his crew, they are scared out of their wits. can Kate, Reynie, Sticky, and Constance stop Mr.Curtain before he does something horrible? Read this book to see how The Mysterious Benedict Sociiety proves that children can do anything.