Below are the links to
GoodReads, Amazon and Books2Read (multiple vendors)

Vol 1 - Beyond Luna
Vol 2 - A Back Story
Vol 3 - BosonsWave
Vol 4 - BosonsWave^2
Vol 5 - After BeforeTimes

Goodreads

Vol 1 https://www.goodreads.com/book/show/57166006
Vol 2 https://www.goodreads.com/book/show/57363107
Vol 3 https://www.goodreads.com/book/show/61338186
Vol 4 https://www.goodreads.com/book/show/202637688
Vol 5  https://www.goodreads.com/book/show/232888790

Amazon

Vol 1 https://www.amazon.com/dp/B08WHN4PN6 
Vol 2 https://www.amazon.com/dp/B08X4YMHZZ 
Vol 3 https://www.amazon.com/dp/B0B4R9W8G7 
Vol 4 https://www.amazon.com/dp/B0D3XVXY65
Vol 5 https://www.amazon.com/dp/B0F7GQ7DXP

AudioBook — H₂Lift Ships
link for Vol 1 - Beyond Luna

Books2Read

Vol 1 https://books2read.com/u/3n8zd9
Vol 2 books2read.com/u/b6K5k0
Vol 3 books2read.com/u/31e956
Vol 4 books2read.com/u/mg5LeX
Vol 5 books2read.com/u/31op5a