"Terrific... reads like a spy novel, but this meticulously reported book has the added virtue of being completely true... one of the great undercover stings in recent U.S. history."
"Takes you into the world of smugglers, snitches and secret agents. Operation Shakespeare is a real-life cloak-and-dagger adventure, with American lives hanging in the balance." - Matt Apuzzo, Pulitzer Prize winner and author of Enemies Within
"Facinating tale... takes us inside the shadowy world of international arms dealing, exposing a high-stakes battle against smuggling that takes place far from the front pages, even as it threatens our soldiers and national security on a daily basis." - Garrett Graff, author of The Threat Matrix: The FBI at War
"Genius... Riveting... Should be a TV series." — The Los Angeles Times
"A rollicking memoir... investigative details dazzle... PRICELESS can read at times, not unpleasantly, as if an art history textbook got mixed up at the printer with a screenplay for THE WIRE ." — The New York Times
"Almost every case he recounts has enough intrigue and suspense for a Hollywood screenplay. " — The Washington Post
"Authoritative and superbly crafted, PRICELESS is absolutely, hands down, the best book ever written on art crime." — Associated Press