"Alex Crane is horrified to learn that she will be spending the summer at her relatives' farm in Pennsylvania, but all is not as it seems there. Aunt Eleanor and Uncle Ben are actually brilliant scientists who left a covert operation when they discovered that the head agency was corrupt. Uncle Ben has continued working on his invention the Matter Transporter, and now has perfected it. Impulsively, Max decides to use it herself to find Ben's estranged brother and convinces neighbor Linden to go along for the ride and sets the transporter for London." (Novelist Review)