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Peek Inside Valiant

The Valiant was supposed to save us. Instead, it triggered the end of the world. Now it’s up to me and my best friend-turned-more, Justin, to save us from aliens determined to kill us all.


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The Valiant was supposed to save us. Instead, it triggered the end of the world.

Earth is in shambles. Everyone, even the poorest among us, invested in the Valiant’s space mining mission in the hopes we’d be saved from ourselves. But the second the ship leaves Earth’s atmosphere, our fate is sealed. The alien invasion begins. They pour into cities around the world through time portals, possessing humans, forcing us to kill one another.

And for whatever reason, my brother is their number one target.

Now the fate of the world lies in the hands of me, a seventeen-year-old girl, but with the help of my best friend, Justin—who’s suddenly starting to feel like more—maybe if we save my brother, we can save us all…


"An imaginative, fresh take on the time travel novel. Valiant has it all: breakneck adventure, high stakes, a kick-ass heroine, and a time-twisting narrative. Seriously captivating sci-fi.” —Tosca Lee, New York Times bestselling author of The Progeny 

“I’m one that absolutely loves an extremely fast paced read with new happenings practically on every page and Valiant was just that sort of book.” – Carrie’s Book Reviews

“It’s quick paced and creative. The romance is sweet and the Earth take over is gory.” – D.M., Goodreads

“If you enjoy action-packed YA science fiction, then I highly recommend it!” – So Many Books, So Little Time

“You bet this book ends up on my keeper shelves once my print copy arrives…” – Carien, Goodreads

“Valiant is Edge of Tomorrow in a post-apocalyptic future, and Destefano’s Sara has the grit of Sarah O’Connor as she fights to save the people she loves.” – Jane, NetGalley

“I highly recommend Valiant to anyone that loves dystopian books.  It’s hard to tell a good story and have it be believable. This book is both.” – Books in Brogan

“If you enjoy action-packed YA science fiction, then I would recommend this book for you.” –Laila, Goodreads

“I would recommend this book to fans The 5th Wave and The Darkest Minds.” – Vivian, Goodreads

Additional Details

ISBN: 9781640634251
Release Date: Dec 4, 2018
Page Count: 352
Imprint: teen
Genre: sci-fi, young adult
Tropes: coming of age/family/social issues, friends to lovers, overcoming odds

Select Featured Reviews

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By Carrie October 22, 2018

Yes folks, I have returned to the science fiction once again. This time we are staying on Earth and battling the invading aliens, woohoo! Valiant by Merrie Destefano is a young adult romantic science fiction fantasy read that is extremely fast paced and action packed.

In the very near future in Am... ...more

By D.M. October 26, 2018

Imagine your stuck on a time loop. You have one goal, to stop your brother from dying but if you knew what was going to happen would you also try and save a few others? Sara is given the chance to change history. She is visited by an alien who is again the invasion on Earth. He tells her what she... ...more

By Anastasia October 19, 2018

Full Review on my blog!
3.5 - 4 Stars
*a copy was provided by NetGalley* 

Sci-fi, aliens, time travel, and futuristic things. Yes, YES, and YEsss. All things I love. But this, I liked it just enough, that it fell short of great.

Valiant is different and unique in its own way. A very quick, action pa... ...more

By Olivia October 25, 2018

"Valiant" is a fast-paced, YA sci-fi/thriller. Set in the future, during the second great depression, Earth has just launched a shuttle called Valiant to go to Titan and mine for resources. Immediately after the shuttle launches, the Earth is attacked by aliens known as Xua. The Xua can turn into... ...more

By Alaina October 23, 2018

I received this ARC from NetGalley in exchange for an honest review.

Valiant was a pretty interesting book to dive into. It could've had more world building but since it gave me so much action and it was pretty fast paced - I overlooked it. In this book, you will see aliens (Xua) invading earth co... ...more

By Carien October 19, 2018

You can bet I pre-ordered this book after seeing the cover and reading the blurb. Then I was offered an Advance Reader Copy, and I just couldn't say no to the chance to read it early.

The book begins with a prologue to explain the situation and what is at stake: After the launch of the Valiant ali... ...more

By Jane October 09, 2018

I received this advance copy from the author through Netgalley.
Merrie Destefano has produced yet another galloping, heart stopping adventure.
Most of the world is excited about the space mission to Titan. It is supposed to save the world – but Sara knows better. She knows the launch of the Valiant... ...more

By Dee/ bookworm November 12, 2018

#Valiant #NetGalley

publisher synopsis: The Valiant was supposed to save us. Instead, it triggered the end of the world.
Earth is in shambles. Everyone, even the poorest among us, invested in the Valiant’s space mining mission in the hopes we’d be saved from ourselves. But the second the ship leave... ...more

By Tammy October 22, 2018

I really enjoyed the sci-fi of this one. Romance was very slight. Lots of action. Open ended for next book. Sara was a great main character. Not too perfect and not whiny. Some twists in this one. Can't wait for next book. ...more

By Kelly November 09, 2018

I received a copy from the publisher via NetGalley.

It is 2037 and the world has changed a bit. We have a second depression going on, we have had government programs in which so called genetics were bred for war and we are launching a space ship called Valiant on a space mining mission to a planet... ...more

By Katrina November 10, 2018

This book is all action. It is a quick, fast paced read that had me right from the start.

An average girl is tasked with saving the world, specifically her brother, from an alien attack. She does so via time travel. There is A LOT going on from page 1, with an alien invasion, training friends on... ...more

By Shery November 02, 2018

Who doesn't love a good scifi? Especially one that involves aliens and time the same story! This was a fun read, I enjoyed watching the character development and was intrigued by the choices that had to be made. I loved that it was a fast paced story and had a lot action. I recommend... ...more

By Books In Brogan September 29, 2018

I highly recommend Valiant to anyone that loves dystopian books.  It’s hard to tell a good story and have it be believable. This book is both. The only thing I would say that it didn’t shy away from being gritty and is definitely not all happiness which I don't think anything called a dystopian r... ...more

By Kyle October 17, 2018

This is a great read, after reading it makes you want more of the time traveling girl. It’s a little scatter at first setting up the story. Once you get past the start up it is a wonderful read! ...more

By Vivian October 22, 2018

ARC Review: Valiant

This book is sci-fi in nature and it’s a lot like The 5th Wave but in this setting, the people believe on the Valiant which as I understood is sending a rocket to mine natural resources on another planet to save theirs. There's a concept of aliens and technology in the plot of... ...more

Showing 1 to 15 of 15
3.75 avg rating
Merrie Destefano

About the author

Merrie Destefano

Born in the Midwest, former magazine editor Merrie Destefano currently lives in Southern California with her husband, two German shepherds, a Siamese cat, and the occasional wandering possum. Her favorite hobbies are reading speculative fiction and watching old Star Trek episodes, and her incurable addiction is writing. She loves to camp in the mountains, walk on the beach, watch old movies, and listen to alternative music—although rarely all at the same time.

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