Reading Order
Breakthroughseries.seoTitleShort
Start with Breakthrough and continue through all 6 books in the listed reading order.
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Start with Breakthrough
Book 1 by Michael C Grumley • Published 2013
Naval investigator John Clay follows a crippled submarine's strange failure to a Caribbean research lab where Alison Shaw is on the verge of true two way communication with dolphins. When the animals reveal a buried o...
Complete List
Breakthrough reading order
Ends with Echo
- 1
Book 1:Breakthrough
Michael C Grumley • 2013
Naval investigator John Clay follows a crippled submarine's strange failure to a Caribbean research lab where Alison Shaw is on the verge of true two way communication with dolphins. When the animals reveal a buried o...
- 2
Book 2:Leap
Michael C Grumley • 2014
A year after their first breakthrough with dolphin communication, Alison Shaw's team prepares to unveil a new advance just as an experimental Russian submarine resurfaces off South America. Sent to investigate, John C...
- 3
Book 3:Catalyst
Michael C Grumley • 2015
A second seed vault, hidden far from the Arctic and clearly not built by humans, is uncovered and placed under Alison Shaw and John Clay's protection. Inside lie millions of alien genetic samples and the truth about w...
- 4
Book 4:Ripple
Michael C Grumley • 2017
New evidence of alternate human evolutionary branches and an impossible plant with astonishing healing power send Clay and Alison to Africa. Racing rival powers and buried alien technology, they search for the source...
- 5
Book 5:Mosaic
Michael C Grumley • 2019
With the world sliding toward open conflict, Clay, Alison, and their scattered allies hold a single discovery that could pull humanity back from the brink. As governments close in, they must decide who can be trusted...
- 6
Book 6:Echo
Michael C Grumley • 2021
After years of decoding alien technology and bridging human and animal minds, Alison Shaw and John Clay face their most dangerous choice yet, as a final discovery forces three linked species to decide how far they wil...
Quick Answers
Breakthrough FAQ
What is the best order to read the Breakthrough series?
The recommended reading order is the numbered order shown on this page, starting with Breakthrough.
How many books are in the Breakthrough series?
There are 6 books currently listed in the Breakthrough series on GurusReads.
Where should I start with the Breakthrough series?
New readers should start with Breakthrough, the first book in the reading order.
Is the Breakthrough series complete?
Based on the publication years we have, the series appears likely complete and spans releases from 2013 to 2021.