Mark Hazlewood has written two books regarding Earth changes and their extra-solar-object Planet X connection. Blindsided was the first and now Delicate Earth. He's been a speaker at several seminars and conferences, and has been interviewed on many radio and TV programs.
His latest work "Delicate Earth History Science Planet X" is a historical chronicle of how the subject has progressed since writing Blindsided. It is primarily a compilation of several expert credentialed researchers, media, and insider reports regarding the modern and ancient, history and science of possible imminent cyclical cataclysms happening again shortly.