Title: Primeval (Event Group Series #5), Author: David L. Golemon
Title: Primeval: An Event Group Thriller, Author: David L. Golemon
Title: Demons a Coloring Book by Eric David, Author: Eric Lynn David
Title: The Event Group Thriller Collection, Books 1-12: Event, Legend, Ancients, Leviathan, Primeval, Legacy, Ripper, Carpathian, Overlord, The Mountain, The Traveler, and Beyond the Sea, Author: David L. Golemon