<Embed>
Included with a Kindle Unlimited membership.
Buy new:
$9.95
FREE delivery: Nov 7 - 8 on your first order.
Fastest delivery: Wednesday, Nov 4 Details
In Stock.
As an alternative, the Kindle eBook is available now and can be read on any device with the free Kindle app. Want to listen? Try Audible.
Your transaction is secure
We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. Learn more
Ships from Amazon.com
Sold by Amazon.com
Ships from
Amazon.com

Sold by
Amazon.com

Return policy: Returnable until Jan 31, 2021
For the 2020 holiday season, returnable items shipped between October 1 and December 31 can be returned until January 31, 2021.

Have one to sell?
Loading your book clubs
There was a problem loading your book clubs. Please try again.
Not in a club? Learn more
Amazon book clubs early access

Join or create book clubs

Choose books together

Track your books
Bring your club to Amazon Book Clubs, start a new book club and invite your friends to join, or find a club that’s right for you for free.
Flip to back Flip to front
Listen Playing... Paused   You're listening to a sample of the Audible audio edition.
Learn more

Follow the Author

Something went wrong. Please try your request again later.


Critical Mass (Expeditionary Force) Paperback – August 4, 2020

4.7 out of 5 stars 737 ratings
Book 10 of 11: Expeditionary Force

See all formats and editions Hide other formats and editions
Price
New from Used from
Kindle
Paperback
$9.95
$9.95

"Devoted" by Dean Koontz
For the first time in paperback, from Dean Koontz, the master of suspense, comes an epic thriller about a terrifying killer and the singular compassion it will take to defeat him. | Learn more
click to open popover

Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required.

  • Apple
    Apple
  • Android
    Android
  • Windows Phone
    Windows Phone
  • Click here to download from Amazon appstore
    Android

To get the free app, enter your mobile phone number.

kcpAppSendButton

Frequently bought together

  • Critical Mass (Expeditionary Force)
  • +
  • Valkyrie (Expeditionary Force)
  • +
  • Armageddon (Expeditionary Force)
Total price: $29.85
Buy the selected items together

Special offers and product promotions


Product details

  • Item Weight : 1.63 pounds
  • Paperback : 393 pages
  • ISBN-13 : 979-8669877323
  • Product Dimensions : 6 x 0.99 x 9 inches
  • Publisher : Independently published (August 4, 2020)
  • Language: : English
  • ASIN : B08F6X4KHW
  • Customer Reviews:
    4.7 out of 5 stars 737 ratings

Customer reviews

4.7 out of 5 stars
4.7 out of 5
737 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on August 5, 2020
Verified Purchase
27 people found this helpful
Comment Report abuse
Reviewed in the United States on August 8, 2020
Verified Purchase
16 people found this helpful
Comment Report abuse
Reviewed in the United States on August 5, 2020
Verified Purchase
7 people found this helpful
Comment Report abuse
Reviewed in the United States on August 16, 2020
Verified Purchase
5 people found this helpful
Comment Report abuse
Reviewed in the United States on August 14, 2020
Verified Purchase
4 people found this helpful
Comment Report abuse

Top reviews from other countries

JM
3.0 out of 5 stars Long term fans of the series may read on for closure... I don't like that I fall into this camp
Reviewed in the United Kingdom on August 27, 2020
Verified Purchase
2 people found this helpful
Report abuse
Jarrak
4.0 out of 5 stars On Their Own
Reviewed in the United Kingdom on August 16, 2020
Verified Purchase
Garry M
5.0 out of 5 stars Enjoyable romp
Reviewed in the United Kingdom on October 28, 2020
Verified Purchase
Colin
5.0 out of 5 stars The Awesomeness Continues
Reviewed in the United Kingdom on August 6, 2020
Verified Purchase
One person found this helpful
Report abuse
richard
5.0 out of 5 stars Good round-up
Reviewed in the United Kingdom on September 4, 2020
Verified Purchase