Brian Muraresku joined Michael Smerconish to discuss THE IMMORTALITY KEY, both on CNN and on Smerconish’s SiriusXM program. Smerconish praises the book as “tremendous” and “stunning,” noting that Muraresku has “something big on [his] hands here." Additionally, the book continues to top bestsellers lists across Amazon US, Canada, and Germany. St. Martin’s Press published THE IMMORTALITY KEY on September 29, 2020.