AustLit

'Crack the code, or tomorrow is history!

Tane and Rebecca aren’t sure what to make of it. A sequence of 1s and 0s, the message looks like nothing more than a random collection of alternating digits. As they work to decode it, and the ones that follow, it slowly it becomes clear—the messages are being sent back in time from Tane and Rebecca’s future! Something there has gone horribly wrong, and it’s up to them to prevent it from happening. 

Tane and Rebecca follow the message’s cryptic instructions, but it’s not long before they begin to suspect that worst—that the very survival of the human race may be at stake...'

Source: Author's blurb.