Breakthrough
Books in series4
UNABRIDGED
(4.6 based on 297 ratings)
  • 1
    Breakthrough | Michael C. Grumley

    Breakthrough

    • UNABRIDGED (10 hrs and 32 mins)
    • By Michael C. Grumley
    • Narrated By Scott Brick
    • Whispersync for Voice-ready
    Overall
    (243)
    Performance
    (224)
    Story
    (223)

    Deep in the Caribbean Sea, a nuclear submarine is forced to suddenly abort its mission under mysterious circumstances. Strange facts begin to emerge that lead naval investigator, John Clay, to a small group of marine biologists who are quietly on the verge of making history.

    Action, science, romance, good versus evil.

    Michael has managed to create a story with all of the above elements in a way that pulls you into this world, waiting to see what happens next.

    Reviewed on July 08 2017 by Timothy R Carpenter II ()
  • 2
    Leap: Breakthrough, Book 2 | Michael C. Grumley

    Leap: Breakthrough, Book 2

    • UNABRIDGED (13 hrs and 13 mins)
    • By Michael C. Grumley
    • Narrated By Scott Brick
    Overall
    (54)
    Performance
    (54)
    Story
    (54)

    It was just one year ago that she and her team of marine biologists had stunned the world with their incredible breakthrough. And now, they were about to do it again. But an ocean away, something strange was unfolding. Along a lonely coast in South America, an experimental Russian submarine, long thought to have been dismantled, has suddenly resurfaced. And the US Navy had taken notice, sending officers John Clay and Steve Caesare to investigate.

    Breakthrough continues... excellent sequel!

    So this sequel to Breakthrough is just as good. In this book there is a Chinese war ship in Guyana along with heavy moving equipment, trucks and men w..Show More »

    Reviewed on September 10 2017 by shelley (Raleigh, NC)
  • 3
    Not Available on Audible.com Why not?

    There are many reasons why a book might be unavailable.


    Sometimes a book goes temporarily out of print - and sometimes no audio version has ever been recorded. Audible wants to give you the most complete selection we can and we'll keep adding series and filling in gaps as quickly as possible.


  • 4
    Not Available on Audible.com Why not?

    There are many reasons why a book might be unavailable.


    Sometimes a book goes temporarily out of print - and sometimes no audio version has ever been recorded. Audible wants to give you the most complete selection we can and we'll keep adding series and filling in gaps as quickly as possible.