. . . . . . "Math-a-magic number tricks for magicians"@en . "Math-a-magic : number tricks for magicians"@en . "Math-a-magic: number tricks for magicians"@en . "Math-a-magic : number tricks for magicians" . . . . . . . . . "Provides instructions for twenty magic tricks using numbers, with explanations of the mathematics behind each trick."@en . "Provides instructions for twenty magic tricks using numbers, with explanations of the mathematics behind each trick." . "Juvenile works"@en . . "Juvenile works" . . . . . . . .