"Trapped with a train bearing down on him, Cal's chances of survival look grim. The cops and criminal gangs are unrelenting--they want him behind bars...or dead. The stakes are getting higher, but all the slues to the Ormond Singularity just lead to more puzzles, and more danger. Thwarted at every turn, it seems Cal has no hope of finding the answers. Is there anyone he can trust? The clock is ticking. Any second could be his last"--Publisher.

Cal teams up with Boges to plant a listening bug in Oriana's house to extract vital information.

How can Cal find out more about Piers Ormond's will if he is stuck on a fishing boat after becoming indebted to the captain. If he can find his great-aunt Millicent he may have a better chance of finding the will. But should he expose another relative to danger?

"Buried alive in a coffin, Cal's chances of survival are running out as fast as the air around him. Thanks to his unknown attackers, he's lost the Jewel and the Riddle, and now his life hangs in the balance. Six feet under. Boges and Winter are frantically trying to find him before it's too late. Meanwhile, Gabbi--Cal's comatose little sister--has been kidnapped, and he is the prime suspect! Some seriously daring and dangerous tactics are need to...

A gun shot rings out as Cal hides from his stalkers - two old bounty hunters and their savage dog, Sniffer. The hostile desert seems determined to become Cal's final resting place. Had Kelvin spared his life for nothing? Back in the city, an impossible job looms. To break into Orlana's safe at Zurich Bank, Cal needs Boges to make a perfect copy of her fingerprint ... and they need her PIN. But will stealing from Orlana force her into a lethal alliance...

Cal, Winter, Ryan and Boges have had enough adventures for a lifetime. Now all their enemies are locked up or have disappeared. Still, Winter can't shake the feeling that she is being watched. When she's mailed a note saying, The Drowner... 30 days, her worst fears are realized. Who could be after her and her friends this time? With Cal away at flight school and a dangerous mystery to solve, will Winter be able to survive the 30-day countdown? Or...

A high-speed chase gone wrong leaves Cal exposed to Oriana's thugs. If captured, all hope of solving the Ormond Singularity and having a normal life again disappears. He has to get away, but how can he leave an innnocent man to drown?