MasterMind: A Theo Cray and Jessica Blackwood Thriller

Andrew Mayne is the Wall Street Journal and Amazon Charts bestselling author of The Girl Beneath the Sea and Black Coral in his Underwater Investigation Unit series; The Naturalist, Looking Glass, Murder Theory, and Dark Pattern in his Naturalist series; Angel Killer, "Fire in the Sky," Name of the Devil, and the Edgar Award-nominated Black Fall in his Jessica Blackwood series; and the Station Breaker novels. The star of Discovery Channel's Shark Week special "Andrew Mayne: Ghost Diver" and A&E's Don't Trust Andrew Mayne, he is also a magician who started his first world tour as an illusionist when he was a teenager and went on to work behind the scenes for Penn & Teller, David Blaine, and David Copperfield. Ranked as the fifth-bestselling independent author of the year by Amazon UK, he currently works with OpenAI on applied artificial intelligence. For more on him and his work, visit www.andrewmayne.com.