To Tread Obsidian Shores - Hardcover

$40.60

Availability: 13 left in stock

by Jason Cordova (Author), Melissa Olthoff (Author)

Brand new military SF from two veterans with a proven track record of excellent storytelling!

WHAT DOES IT MEAN TO BE A WARRIOR?

The Protectorate of Mars Foreign Legion: A path to citizenship. A fresh start. Defending the Protectorate of Mars against all enemies, foreign and domestic.

HOPE

With itchy feet and a vagabond soul, all Blue ever wanted was to join the Survey Corps and explore the universe. But when she failed the entry exam, becoming a dropship pilot for the Legion was her last chance at achieving that dream. It was only supposed to be a stepping stone . . .

DUTY

All he ever wanted was a home. But when Tavi is driven from his world by murderous revolutionaries, he only has one chance to escape: the Legion. Searching for a new life, he soon discovers something even better--a family.

WELCOME TO THE LEGION

Author Biography

Jason Cordova is both a John W. Campbell Award and Dragon Award finalist. He edited his first anthology, Chicks in Tank Tops, coauthored Monster Hunter Memoirs: Fever with Larry Correia, and wrote Mountain of Fire in the Black Tide Rising universe, all with Baen Books. He has 28 novels currently in print and has been featured in numerous anthologies. A Navy veteran, he is also a former middle school teacher. Though Californian by birth, he has since relocated to the South, where he swears at the humidity on a thrice-daily basis. He can be found at www.jasoncordova.com.

Melissa Olthoff is a science fiction and fantasy author who delights in sneaking in romance wherever she can. She is a lifelong geek and a veteran of the United States Air Force, both of which are incredibly useful when writing. Her degrees in meteorology and accounting are slightly less applicable to writing but absolutely useful when it comes to supporting her family. In 2023, she took second place in the annual Baen Fantasy Adventure Award Contest with her story "Fall from Grace" and won the Imadjinn Award Best Short Story in 2023 and 2024. She is published by Baen, Chris Kennedy Publishing, Hit World Press, and Three Ravens Publishing, and is best known for her novel of the Griffin Corps, Rise from Ruin, and novels in the Four Horsemen Universe, the Blood & Armor Series, the Salvage Title Universe, and Hit World Valkyries, as well as numerous short stories.

Number of Pages: 400

Dimensions: 1.12 x 6.37 x 9.47 IN

Publication Date: January 06, 2026