Michael Grumley is an accomplished author who has written several thriller novels. He started his professional career as a pharmacist, but soon realized that writing was his passion. Since then, he has been focusing on his writing, and his books have garnered a significant following. He has a unique ability to blend science with fiction, which creates a sense of realism in his novels. Michael Grumley has also worked as a technical writer and has written articles for scientific journals.

One of Michael Grumley's most popular novels is the Breakthrough series, which has four books to date. The series follows a group of individuals who have developed superhuman abilities, and their journey to understand and control their powers. The series has been a commercial success and has received rave reviews from readers and critics alike.

Aside from his writing, Michael Grumley is an avid reader and enjoys spending time outdoors. He is a fan of hiking, camping, and fishing, and often draws inspiration for his writing from his experiences in nature.