Ben and Rachel Corder are sure theyre in for the longest, dullest summer ever, until they discover an underground vault at the bottom of their garden with an amazing secret inside - two children from the 1950s who have been asleep for decades. But waking up Freddy and Polly Emerson means unearthing the secrets that were buried with them. Why would their father leave them f Ben and Rachel Corder are sure theyre in for the longest, dullest summer ever, until they discover an underground vault at the bottom of their garden with an amazing secret inside - two children from the 1950s who have been asleep for decades. But waking up Freddy and Polly Emerson means unearthing the secrets that were buried with them. Why would their father leave them frozen? How is cryonic suspension even possible? Why doesnt the world know about the process fifty years later? How will the Emersons ever fit into the 21st century world of cell phones and microwave dinners? And why does it feel like theyre all suddenly being followed? Winner of Blue Peters Book That I Couldnt Put Down and Book of the Year Award 2010 .