Earth's Last Hope


Fiction - Science Fiction
Kindle Edition
Reviewed on 06/04/2026
Buy on Amazon

This author participates in the Readers' Favorite Free Book Program, which is open to all readers and is completely free. The author will provide you with a free copy of their book in exchange for an honest review. You and the author will discuss what sites you will post your review to and what kind of copy of the book you would like to receive (eBook, PDF, Word, paperback, etc.). To begin, click the purple email icon to send this author a private email.

This author participates in the Readers' Favorite Book Review Exchange Program, which is open to all authors and is completely free. Simply put, you agree to provide an honest review an author's book in exchange for the author doing the same for you. What sites your reviews are posted on (B&N, Amazon, etc.) and whether you send digital (eBook, PDF, Word, etc.) or hard copies of your books to each other for review is up to you. To begin, click the purple email icon to send this author a private email, and be sure to describe your book or include a link to your Readers' Favorite review page or Amazon page.

This author participates in the Readers' Favorite Book Donation Program, which was created to help nonprofit and charitable organizations (schools, libraries, convalescent homes, soldier donation programs, etc.) by providing them with free books and to help authors garner more exposure for their work. This author is willing to donate free copies of their book in exchange for reviews (if circumstances allow) and the knowledge that their book is being read and enjoyed. To begin, click the purple email icon to send this author a private email. Be sure to tell the author who you are, what organization you are with, how many books you need, how they will be used, and the number of reviews, if any, you would be able to provide.

Author Biography

Mary L. Schmidt aka S. Jackson She grew up in a small Kansas (USA) town and I lived in more than one state since then. Books were really my thing. It seemed like every time I turned around I was obtaining a new library card due to the current one being stamped complete. Diving into a good book made any day perfect and you would be surprised at the number of books I read over and over. I drew paper dolls and clothes for them, and using watercolor as my medium when painting scenes, especially flowers. I continued with art in high school exploring a wide variety of arts and I loved it! The creative side of me loves to be an amateur "shutter-bug" and we actually have an online art gallery. In college I went into the sciences of all things and received a Bachelor's degree in the Science of Nursing. My nursing career was highly successful and I hung up my nursing hat in December 2012. She has written more than 64 books with five more in various stages of production, and she is included in four anthologies.

    Book Review

Reviewed by Asher Syed for Readers' Favorite

In Mary L Schmidt’s Earth's Last Hope, after seismic activity beneath Yellowstone begins accelerating beyond every existing scientific prediction, President Joyce Zimmerman orders General James Tilson to relocate his family into a classified bunker system beneath Colorado while millions of Americans attempt to escape the approaching eruption. Inside the underground shelters, doctors, engineers, military officials, scientists, children, and surviving families attempt to build a functioning society as communication with the surface grows increasingly uncertain. Dr. Theodore Grey continues searching for a method capable of stopping the caldera before Earth enters a volcanic winter expected to last for years. However, each failed attempt pushes humanity closer toward permanent collapse. As Tilson oversees security operations connected to hidden facilities beneath Denver, classified information tied to the Roswell incident begins to reshape everything the government understands about survival, technology, and the planet's future.

Mary L Schmidt’s Earth's Last Hope pushes civilization toward extinction while government scientists search for a method capable of preserving life on Earth. The world-building is amazing, and every technological system connects directly to survival beneath the surface, with underground fisheries and thermal siphons that later transform volcanic magma into granite. The author makes life inside the Denver bunker system feel fully operational. The writing is sharp and immersive, with a flair for the cinematic, from the ruined Denver airport after volcanic ash mixes with blizzard conditions, to fires burning beside shattered storefronts as blackened snow drifts through abandoned concourses. Readers who enjoy large-scale apocalyptic sci-fi will love this novel, especially those readers who appreciate smart speculative fiction. Very highly recommended.

Alija Turkovic

In Earth’s Last Hope by Mary L. Schmidt, an overnight volcanic threat throws the whole country into chaos, forcing the government to trigger top-secret emergency protocols. General James Tilson has to completely ditch his quiet retirement and put his uniform back on to run a crucial underground sanctuary operation. With a deadly storm moving in fast, Tilson helps rush local doctors, teachers, and kids down into a massive, 36-floor secret bunker hidden right under the Denver Federal Center. Outside the steel gates, the air turns into a toxic nightmare of heavy snow and glass ash that suffocates life on the surface. The whole situation gets turned on its head when military leadership reveals that human survival is actually tied to crashed UFO tech hidden away since 1947. Can Tilson successfully team up with an ancient, telepathic alien named Kryonn to stop the volcano before the remaining food reserves run out?

Earth’s Last Hope by Mary L. Schmidt is a really fascinating sci-fi disaster book that takes a total left turn halfway through the plot. It starts off feeling like a traditional prepper story, but quickly escalates into a deep-state military thriller. I appreciated the grounded, everyday tone the author uses to show what life would actually be like inside an underground bunker. I especially loved the focus on training the teens to take over complex operations because it adds a smart, long-term layer to the survival strategy, showing that the community is actively planning for the future instead of just waiting around. The casual, easy-flowing dialogue makes it feel like you are overhearing genuine families navigating a global disaster. By blending the harsh truths of an environmental collapse with uplifting, relatable moments, the book actually transforms into an unexpectedly touching story of survival. It’s an engaging read that avoids a ton of tech jargon while keeping the stakes high. I recommend it to fans of military sci-fi, intense environmental doomsday stories, or anyone who loves a good government conspiracy twist.

Divine Zape

In Earth’s Last Hope by Mary L. Schmidt, an apocalyptic event looms ahead. Scientific monitoring reveals that there are only hours left before the caldera blows. Dr. Theodore Grey, the head scientist with the USGS and the USA, is appalled at the magnitude of what is about to happen as the danger grows imminent with every passing hour. What could have gone wrong with their observations of the caldera? Dr. Grey alerts the President of the impending catastrophe, and General James Tilson decides to evacuate with his family and extended family, including doctors Sarah and Aaron and their children. Now they are in an underground bunker, a world of darkness beneath the Denver Federal Center. As the volcanic ash and a blizzard plunge the world into darkness, survivors are achingly aware that they might be headed for a ten-year volcanic winter. But there is a twist that makes the story even more suspenseful.

Mary L. Schmidt is a great storyteller who expertly modulates pacing and tension, opening the story with frantic security briefings and desperation accompanying the evacuations. Then the story shifts to the experience of settling into life in the bunker, characterized by medical emergencies, learning, and hydroponic farming. The tension accelerates through every page with the way the author delivers the sense of uncertainty that overwhelms the characters and the revelation of an alien intervention. Earth’s Last Hope presents a finely drawn setting, like the devastated landscapes of Denver and the steel-walled bunkers. Characterization is expertly achieved through family dynamics that are multi-generational. This is a novel about leadership in times of existential crisis, crafted in stellar prose and brimming with action and tension.