A lavishly enriched blood supply piques Dr. Danny Tilson's interest as he performs a routine surgery on Varg Dagmar's brain. He soon discovers that it's not just his patient's cranial anatomy that's remarkable, but his superlative mental capabilities as well. As more and more patients surface with similar mystifying profiles, Danny searches for answers. If he can figure out the cause of this surge in advanced mental faculties, the ramifications to humankind could be staggering. Danny wonders, however. Is this mysterious brain power too good to be true? Collateral Circulation is the 2015 National Indie Excellence Awards finalist for medical thrillers!