The Quantum Garden — Derek Kunsken

The Ultimate Chase Days ago, Belisarius pulled off the most audacious con job in history. He's rich, he's back with the love of his life, and he has the Time Gates, the most valuable things in existence. Nothing could spoil this… except the utter destruction of his people and their world. To save them, he has to make a new deal with the boss he just double-crossed, travel back in time and work his quantum magic once again.If he can avoid detection, dodge paradox and stay ahead of the eerie, relentless Scarecrow, he might just get back to his own time alive.