In this thrilling mystery series, 12-year-old twins Andrew and Evie navigate through a maze of intrigue and espionage as they try to uncover the truth about their mother's disappearance. Leaving only a cryptic note, Andrew and Evie's mother vanishes on their eleventh birthday. Now, almost a year later, the twins receive a mysterious package from someone named Spy X. They soon learn that the contents of the box will lead them on an incredible journey toward finding their mother - and into a world where no one's identity can be trusted. In Book #1, Andrew and Evie aren't initially sure what to make of the package that arrives at their door soon after they move to a new town. It's filled with random things—a key, something that looks like a kaleidoscope, (continued)

A suspicious baby-sitter . . . a pair of conspiracy theorists . . . more secret codes from Spy X. Twins Evie and Andrew have more than a mystery on their hands. Evie and Andrew have always wondered what happened to their mother after she disappeared on their birthday. Now they are starting to find out . . . and the results are very surprising. Their mother was into something big, and now the twins are being drawn in as well. Nobody - not their baby-sitter, not their new school friend, not a pair of menacing bikers - is who he or she appears to be. But Evie and Andrew will have to uncover the truth if they ever want to see their mother again.

An exciting new spy series for kids ages 8-12 from master storyteller Peter Lerangis. Twins Andrew and Evie must decode clues that lead to their missing mother, a spy on the run from a gov't agency. It's been almost a full year since Andrew and Evie's mom disappeared, and the twins are determined to find her. They've been following her trail, decoding the clues she's left them. And that trail is drawing them closer to their mother than ever before. But now the Company is on to the fact that Mom is communicating with the twins—and they'll do anything to get to her first. The Company's agents are desperate to intercept Mom's messages. It's up to Andrew and Evie to stop them—and to find Mom before her enemies do.

An exciting new spy series for kids ages 8-12 from master storyteller Peter Lerangis. Twins Andrew and Evie must decode clues that lead to their missing mother, a spy on the run from a gov't agency. Andrew and Evie have found Mom at last. But she had to come out of hiding to get to the twins, and now the Company is on to her aliases. There's only one Mom has to go underground again, and this time, she's bringing Andrew and Evie with her. The twins are used to moving to new places, so at first taking on new identities doesn't seem like that big a deal. It's kind of fun, actually. But soon Andrew and Evie realize they're not just leaving behind another town—they're leaving behind themselves, their personalities. And there's one more thing, too... Pop.