How to become the most POWERFUL BOY IN THE UNIVERSE.
1. Leave cheese-and-pickled-egg SANDWICH in lunchbox for thirteen weeks.
2. Open lunchbox to find that sandwich has turned into a TIME MACHINE.
3. Accidentally wipe out the DINOSAURS with a packet of custard creams.
4. Try to stop someone evil stealing the most POWERFUL SANDWICH of all TIME and changing the history of the universe FOR EVER.

This is Book 1 in the Compton Valance Series. See all Compton Valance books here.
Matt Brown has worked as a radio producer, DJ and TV presenter, appearing on children's channel Nickelodeon and hosting shows including The Bigger Breakfast, Love Island Aftersun and I'm A Celebrity...Get Me Out of Here Now! He has held snakes in jungles, driven huskies in the arctic circle and persuaded a taxi driver in Delhi to let him drive his cab. His f
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